<p>藍門資產管理公司在第二季度購買了 EPAM 系統公司（NYSE:EPAM - 免費報告）的新頭寸，根據其最近向 SEC 提交的 13F 文件。該公司購買了 66,600 股該信息技術服務提供商的股票，價值約為 11,776,000 美元。EPAM 系統佔藍門資產管理公司投資組合的約 6.1%，使其成為該公司第五大頭寸。藍門資產管理公司在最近一個季度末持有 EPAM 系統 0.12% 的股份。</p>
<ul>
<li>為什麼這三隻科技股可能是你忽視的最佳機會</li>
</ul>
<p>其他機構投資者和對沖基金也增加或減少了在該公司的股份。Sound Income Strategies LLC 在第二季度獲得了 EPAM 系統的新頭寸，價值約為 29,000 美元。Elevation Point Wealth Partners LLC 在第二季度購買了 EPAM 系統的股份，價值約為 49,000 美元。Blue Trust Inc.在第二季度將其在 EPAM 系統的股份提高了 40.5%。Blue Trust Inc.現在擁有 333 股該信息技術服務提供商的股票，價值 59,000 美元，此前在此期間又購買了 96 股。Parallel Advisors LLC 在第二季度將其在 EPAM 系統的股份提高了 215.5%。Parallel Advisors LLC 現在擁有 366 股該信息技術服務提供商的股票，價值 65,000 美元，此前在此期間又購買了 250 股。最後，UMB Bank n.a.在第二季度將其在 EPAM 系統的股份提高了 275.0%。UMB Bank n.a.現在擁有 390 股該信息技術服務提供商的股票，價值 69,000 美元，此前在上個季度又購買了 286 股。機構投資者持有該公司 91.58% 的股份。</p>
<h2>華爾街分析師預測增長</h2>
<p>一些股票分析師最近對該股票發表了看法。摩根大通將 EPAM 系統的股票目標價從 201.00 美元上調至 215.00 美元，並在 11 月 7 日的研究報告中給予該股票 “增持” 評級。TD Cowen 將 EPAM 系統的股票評級從 “持有” 上調至 “買入”，並在 8 月 18 日的研究報告中設定了 205.00 美元的目標價。瑞穗證券將 EPAM 系統的目標價從 225.00 美元上調至 228.00 美元，並在 11 月 11 日的報告中給予該股票 “跑贏大盤” 評級。Weiss Ratings 在 10 月 8 日的報告中重申了對 EPAM 系統的 “賣出（d+）” 評級。最後，Cowen 在 8 月 18 日的研究報告中將 EPAM 系統的評級從 “持有” 上調至 “買入”。一位投資分析師給予該股票 “強烈買入” 評級，十一位給予 “買入” 評級，四位給予 “持有” 評級，一位給予 “賣出” 評級。根據 MarketBeat.com 的數據，EPAM 系統的共識評級為 “適度買入”，平均目標價為 208.40 美元。</p>
<ul>
<li>回購加速器：三隻提升產能與支出速度的股票</li>
</ul>
<p><strong>閲讀我們關於 EPAM 的最新股票報告</strong></p>
<h2>EPAM 系統股票表現</h2>
<p>EPAM 系統的股票在週四開盤價為 211.48 美元。該公司的債務與股本比率為 0.01，流動比率為 3.02，速動比率為 3.02。該公司的市值為 116.8 億美元，市盈率為 32.29，市盈增長比率為 2.82，貝塔值為 1.75。該股票的 50 日移動平均線為 170.38 美元，200 日移動平均線為 168.11 美元。EPAM 系統公司的一年低點為 138.15 美元，一年高點為 269.00 美元。</p>
<ul>
<li>市場錯了——為什麼 Progress Software 值得重新關注</li>
</ul>
<p>EPAM 系統（NYSE:EPAM - 獲取免費報告）最近在 11 月 6 日宣佈了其財報。該信息技術服務提供商報告每股收益（EPS）為 3.08 美元，超過分析師共識預期的 3.02 美元，超出 0.06 美元。該公司在本季度的收入為 13.9 億美元，而分析師預期的收入為 13.9 億美元。EPAM 系統的股本回報率為 13.16%，淨利潤率為 7.01%。EPAM 系統本季度的收入同比增長 19.4%。在去年同期，該公司每股收益為 3.12 美元。EPAM 系統已將其 2025 財年的指導目標設定為 11.360-11.440 美元每股收益，並將其 2025 年第四季度的指導目標設定為 3.100-3.18 美元每股收益。股票分析師預測 EPAM 系統公司本財年的每股收益為 8.9 美元。</p>
<p>EPAM 系統宣佈其董事會已於 10 月 21 日批准了一項股票回購計劃，授權公司回購 10 億美元的流通股。這項回購授權允許該信息技術服務提供商通過公開市場購買最多 12.4% 的股票。股票回購計劃通常表明公司的董事會認為其股票被低估。</p>
<h2>EPAM 系統的內部買賣情況</h2>
<p>在其他新聞中，副總裁 Gary C. Abrahams 於 11 月 17 日星期一出售了 600 股公司的股票。股票的平均售價為 179.29 美元，總交易額為 107,574.00 美元。交易後，這位副總裁直接持有公司 2,720 股股票，價值 487,668.80 美元。此次交易使其持股減少了 18.07%。該交易已在向證券交易委員會提交的文件中披露，具體內容可通過此鏈接查看。此外，高級副總裁 Viktar Dvorkin 於 11 月 13 日星期四出售了 2,500 股公司的股票。股票的平均售價為 181.80 美元，總價值為 454,500.00 美元。交易後，這位高級副總裁直接持有公司 38,124 股股票，價值 6,930,943.20 美元。此次交易使其持股減少了 6.15%。有關此次出售的更多細節可在官方 SEC 披露中找到。在過去三個月中，內部人士已出售 4,611 股公司股票，價值 789,132 美元。內部人士持有公司股票的 4.30%。</p>
<h2>EPAM 系統簡介</h2>
<p>（免費報告）</p>
<p>EPAM Systems, Inc 在全球範圍內提供數字平台工程和軟件開發服務。該公司提供工程服務，包括需求分析和平台選擇、定製、跨平台遷移、實施和集成；基礎設施管理服務，包括軟件開發、測試、性能調優、部署、維護和支持服務。</p>
<h2>精選故事</h2>
<ul>
<li>五隻我們認為比 EPAM Systems 更好的股票</li>
<li>如何從成長投資中獲利</li>
<li>市場動量：3 只有重大突破潛力的股票</li>
<li>什麼是內幕交易？你可以從內幕交易中學到什麼</li>
<li>Casey’s General Stores 將繼續上漲的三個理由</li>
<li>最活躍的股票：美元交易量與股數交易量</li>
<li>黃金交叉警報：3 只具有重大上漲潛力的股票</li>
</ul>
<p><img src="https://imageproxy.pbkrs.com/https://www.marketbeat.com/scripts/SECFilingChart.ashx/query-UHJlZml4PU5ZU0UmU3ltYm9sPUVQQU0?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://www.marketbeat.com/scripts/SECFilingChart.ashx/query-UHJlZml4PU5ZU0UmU3ltYm9sPUVQQU0"/></p>
<p><em>此即時新聞提醒由敍述科學技術和 MarketBeat 的金融數據生成，以便為讀者提供最快的報道和公正的覆蓋。請將任何問題或意見發送至 contact@marketbeat.com。</em></p>
<h2>你現在應該投資 1,000 美元在 EPAM Systems 嗎？</h2>
<p>在考慮 EPAM Systems 之前，你需要聽聽這個。</p>
<p>MarketBeat 每天跟蹤華爾街頂級評級和表現最佳的研究分析師及其推薦給客户的股票。MarketBeat 已識別出五隻頂級分析師悄悄向客户推薦的股票，建議在更廣泛的市場注意到之前購買……而 EPAM Systems 並不在名單上。</p>
<p>雖然 EPAM Systems 目前在分析師中獲得了中等買入評級，但頂級分析師認為這五隻股票更值得購買。</p>
<p>在這裏查看這五隻股票</p>

EPAM系統

<p>藍門資產管理公司在第二季度收購了 66,600 股 EPAM 系統公司的股票，價值 1178 萬美元，佔其投資組合的 6.1%。其他機構投資者也調整了他們的持倉。分析師對 EPAM 的共識評級為 “適度買入”，平均目標價為 208.40 美元。EPAM 報告第三季度每股收益為 3.08 美元，超出預期，營收同比增長 19.4%。該公司的市值為 116.8 億美元，市盈率為 32.29</p>

<p>Blue Door Asset Management LLC purchased a new position in EPAM Systems, Inc. (NYSE:EPAM - Free Report) during the 2nd quarter, according to its most recent 13F filing with the SEC. The firm purchased 66,600 shares of the information technology services provider's stock, valued at approximately $11,776,000. EPAM Systems comprises approximately 6.1% of Blue Door Asset Management LLC's investment portfolio, making the stock its 5th largest position. Blue Door Asset Management LLC owned 0.12% of EPAM Systems at the end of the most recent quarter.</p>
<div class="lb-trans"><p>藍門資產管理公司在第二季度購買了 EPAM 系統公司（NYSE:EPAM - 免費報告）的新頭寸，根據其最近向 SEC 提交的 13F 文件。該公司購買了 66,600 股該信息技術服務提供商的股票，價值約為 11,776,000 美元。EPAM 系統佔藍門資產管理公司投資組合的約 6.1%，使其成為該公司第五大頭寸。藍門資產管理公司在最近一個季度末持有 EPAM 系統 0.12% 的股份。</p>
</div><ul>
<li>Why These 3 Tech Stocks Could Be the Best Opportunities You're Overlooking</li>
</ul>
<div class="lb-trans"><ul>
<li>為什麼這三隻科技股可能是你忽視的最佳機會</li>
</ul>
</div><p>Other institutional investors and hedge funds have also added to or reduced their stakes in the company. Sound Income Strategies LLC acquired a new position in EPAM Systems in the second quarter valued at about $29,000. Elevation Point Wealth Partners LLC bought a new stake in shares of EPAM Systems in the 2nd quarter valued at about $49,000. Blue Trust Inc. raised its position in shares of EPAM Systems by 40.5% in the 2nd quarter. Blue Trust Inc. now owns 333 shares of the information technology services provider's stock valued at $59,000 after acquiring an additional 96 shares during the period. Parallel Advisors LLC raised its position in shares of EPAM Systems by 215.5% in the 2nd quarter. Parallel Advisors LLC now owns 366 shares of the information technology services provider's stock valued at $65,000 after acquiring an additional 250 shares during the period. Finally, UMB Bank n.a. boosted its stake in EPAM Systems by 275.0% during the 2nd quarter. UMB Bank n.a. now owns 390 shares of the information technology services provider's stock worth $69,000 after acquiring an additional 286 shares during the last quarter. Institutional investors own 91.58% of the company's stock.</p>
<div class="lb-trans"><p>其他機構投資者和對沖基金也增加或減少了在該公司的股份。Sound Income Strategies LLC 在第二季度獲得了 EPAM 系統的新頭寸，價值約為 29,000 美元。Elevation Point Wealth Partners LLC 在第二季度購買了 EPAM 系統的股份，價值約為 49,000 美元。Blue Trust Inc.在第二季度將其在 EPAM 系統的股份提高了 40.5%。Blue Trust Inc.現在擁有 333 股該信息技術服務提供商的股票，價值 59,000 美元，此前在此期間又購買了 96 股。Parallel Advisors LLC 在第二季度將其在 EPAM 系統的股份提高了 215.5%。Parallel Advisors LLC 現在擁有 366 股該信息技術服務提供商的股票，價值 65,000 美元，此前在此期間又購買了 250 股。最後，UMB Bank n.a.在第二季度將其在 EPAM 系統的股份提高了 275.0%。UMB Bank n.a.現在擁有 390 股該信息技術服務提供商的股票，價值 69,000 美元，此前在上個季度又購買了 286 股。機構投資者持有該公司 91.58% 的股份。</p>
</div><h2>Wall Street Analysts Forecast Growth</h2>
<div class="lb-trans"><h2>華爾街分析師預測增長</h2>
</div><p>A number of equities analysts have recently weighed in on the stock. JPMorgan Chase &amp; Co. lifted their price target on shares of EPAM Systems from $201.00 to $215.00 and gave the stock an &#34;overweight&#34; rating in a research report on Friday, November 7th. TD Cowen upgraded shares of EPAM Systems from a &#34;hold&#34; rating to a &#34;buy&#34; rating and set a $205.00 price objective for the company in a research report on Monday, August 18th. Mizuho lifted their target price on EPAM Systems from $225.00 to $228.00 and gave the stock an &#34;outperform&#34; rating in a report on Tuesday, November 11th. Weiss Ratings restated a &#34;sell (d+)&#34; rating on shares of EPAM Systems in a report on Wednesday, October 8th. Finally, Cowen raised EPAM Systems from a &#34;hold&#34; rating to a &#34;buy&#34; rating in a research report on Monday, August 18th. One investment analyst has rated the stock with a Strong Buy rating, eleven have given a Buy rating, four have given a Hold rating and one has given a Sell rating to the company. According to data from MarketBeat.com, EPAM Systems has a consensus rating of &#34;Moderate Buy&#34; and an average price target of $208.40.</p>
<div class="lb-trans"><p>一些股票分析師最近對該股票發表了看法。摩根大通將 EPAM 系統的股票目標價從 201.00 美元上調至 215.00 美元，並在 11 月 7 日的研究報告中給予該股票 “增持” 評級。TD Cowen 將 EPAM 系統的股票評級從 “持有” 上調至 “買入”，並在 8 月 18 日的研究報告中設定了 205.00 美元的目標價。瑞穗證券將 EPAM 系統的目標價從 225.00 美元上調至 228.00 美元，並在 11 月 11 日的報告中給予該股票 “跑贏大盤” 評級。Weiss Ratings 在 10 月 8 日的報告中重申了對 EPAM 系統的 “賣出（d+）” 評級。最後，Cowen 在 8 月 18 日的研究報告中將 EPAM 系統的評級從 “持有” 上調至 “買入”。一位投資分析師給予該股票 “強烈買入” 評級，十一位給予 “買入” 評級，四位給予 “持有” 評級，一位給予 “賣出” 評級。根據 MarketBeat.com 的數據，EPAM 系統的共識評級為 “適度買入”，平均目標價為 208.40 美元。</p>
</div><ul>
<li>Buyback Accelerators: 3 Stocks Boosting Capacity &amp; Spending Speed</li>
</ul>
<div class="lb-trans"><ul>
<li>回購加速器：三隻提升產能與支出速度的股票</li>
</ul>
</div><p><strong>Read Our Latest Stock Report on EPAM</strong></p>
<div class="lb-trans"><p><strong>閲讀我們關於 EPAM 的最新股票報告</strong></p>
</div><h2>EPAM Systems Stock Performance</h2>
<div class="lb-trans"><h2>EPAM 系統股票表現</h2>
</div><p>Shares of EPAM Systems stock opened at $211.48 on Thursday. The company has a debt-to-equity ratio of 0.01, a current ratio of 3.02 and a quick ratio of 3.02. The firm has a market cap of $11.68 billion, a price-to-earnings ratio of 32.29, a price-to-earnings-growth ratio of 2.82 and a beta of 1.75. The stock's 50-day moving average is $170.38 and its 200-day moving average is $168.11. EPAM Systems, Inc. has a one year low of $138.15 and a one year high of $269.00.</p>
<div class="lb-trans"><p>EPAM 系統的股票在週四開盤價為 211.48 美元。該公司的債務與股本比率為 0.01，流動比率為 3.02，速動比率為 3.02。該公司的市值為 116.8 億美元，市盈率為 32.29，市盈增長比率為 2.82，貝塔值為 1.75。該股票的 50 日移動平均線為 170.38 美元，200 日移動平均線為 168.11 美元。EPAM 系統公司的一年低點為 138.15 美元，一年高點為 269.00 美元。</p>
</div><ul>
<li>Market Got It Wrong—Why Progress Software Deserves a Second Look</li>
</ul>
<div class="lb-trans"><ul>
<li>市場錯了——為什麼 Progress Software 值得重新關注</li>
</ul>
</div><p>EPAM Systems (NYSE:EPAM - Get Free Report) last announced its earnings results on Thursday, November 6th. The information technology services provider reported $3.08 earnings per share (EPS) for the quarter, beating analysts' consensus estimates of $3.02 by $0.06. The business had revenue of $1.39 billion for the quarter, compared to analyst estimates of $1.39 billion. EPAM Systems had a return on equity of 13.16% and a net margin of 7.01%.EPAM Systems's revenue for the quarter was up 19.4% compared to the same quarter last year. During the same quarter last year, the firm earned $3.12 EPS. EPAM Systems has set its FY 2025 guidance at 11.360-11.440 EPS and its Q4 2025 guidance at 3.100-3.18 EPS. Equities analysts predict that EPAM Systems, Inc. will post 8.9 earnings per share for the current fiscal year.</p>
<div class="lb-trans"><p>EPAM 系統（NYSE:EPAM - 獲取免費報告）最近在 11 月 6 日宣佈了其財報。該信息技術服務提供商報告每股收益（EPS）為 3.08 美元，超過分析師共識預期的 3.02 美元，超出 0.06 美元。該公司在本季度的收入為 13.9 億美元，而分析師預期的收入為 13.9 億美元。EPAM 系統的股本回報率為 13.16%，淨利潤率為 7.01%。EPAM 系統本季度的收入同比增長 19.4%。在去年同期，該公司每股收益為 3.12 美元。EPAM 系統已將其 2025 財年的指導目標設定為 11.360-11.440 美元每股收益，並將其 2025 年第四季度的指導目標設定為 3.100-3.18 美元每股收益。股票分析師預測 EPAM 系統公司本財年的每股收益為 8.9 美元。</p>
</div><p>EPAM Systems declared that its Board of Directors has approved a share buyback plan on Tuesday, October 21st that authorizes the company to repurchase $1.00 billion in outstanding shares. This repurchase authorization authorizes the information technology services provider to reacquire up to 12.4% of its stock through open market purchases. Stock repurchase plans are often an indication that the company's board believes its shares are undervalued.</p>
<div class="lb-trans"><p>EPAM 系統宣佈其董事會已於 10 月 21 日批准了一項股票回購計劃，授權公司回購 10 億美元的流通股。這項回購授權允許該信息技術服務提供商通過公開市場購買最多 12.4% 的股票。股票回購計劃通常表明公司的董事會認為其股票被低估。</p>
</div><h2>Insider Buying and Selling at EPAM Systems</h2>
<div class="lb-trans"><h2>EPAM 系統的內部買賣情況</h2>
</div><p>In other news, VP Gary C. Abrahams sold 600 shares of the business's stock in a transaction dated Monday, November 17th. The shares were sold at an average price of $179.29, for a total transaction of $107,574.00. Following the transaction, the vice president directly owned 2,720 shares in the company, valued at $487,668.80. The trade was a 18.07% decrease in their position. The transaction was disclosed in a document filed with the Securities &amp; Exchange Commission, which is available at this link. Also, SVP Viktar Dvorkin sold 2,500 shares of the business's stock in a transaction that occurred on Thursday, November 13th. The stock was sold at an average price of $181.80, for a total value of $454,500.00. Following the transaction, the senior vice president directly owned 38,124 shares in the company, valued at $6,930,943.20. The trade was a 6.15% decrease in their ownership of the stock. Additional details regarding this sale are available in the official SEC disclosure. In the last three months, insiders have sold 4,611 shares of company stock worth $789,132. Insiders own 4.30% of the company's stock.</p>
<div class="lb-trans"><p>在其他新聞中，副總裁 Gary C. Abrahams 於 11 月 17 日星期一出售了 600 股公司的股票。股票的平均售價為 179.29 美元，總交易額為 107,574.00 美元。交易後，這位副總裁直接持有公司 2,720 股股票，價值 487,668.80 美元。此次交易使其持股減少了 18.07%。該交易已在向證券交易委員會提交的文件中披露，具體內容可通過此鏈接查看。此外，高級副總裁 Viktar Dvorkin 於 11 月 13 日星期四出售了 2,500 股公司的股票。股票的平均售價為 181.80 美元，總價值為 454,500.00 美元。交易後，這位高級副總裁直接持有公司 38,124 股股票，價值 6,930,943.20 美元。此次交易使其持股減少了 6.15%。有關此次出售的更多細節可在官方 SEC 披露中找到。在過去三個月中，內部人士已出售 4,611 股公司股票，價值 789,132 美元。內部人士持有公司股票的 4.30%。</p>
</div><h2>EPAM Systems Profile</h2>
<div class="lb-trans"><h2>EPAM 系統簡介</h2>
</div><p>(Free Report)</p>
<div class="lb-trans"><p>（免費報告）</p>
</div><p>EPAM Systems, Inc provides digital platform engineering and software development services worldwide. The company offers engineering services, including requirements analysis and platform selection, customization, cross-platform migration, implementation, and integration; infrastructure management services, such as software development, testing, performance tuning, deployment, maintenance, and support services.</p>
<div class="lb-trans"><p>EPAM Systems, Inc 在全球範圍內提供數字平台工程和軟件開發服務。該公司提供工程服務，包括需求分析和平台選擇、定製、跨平台遷移、實施和集成；基礎設施管理服務，包括軟件開發、測試、性能調優、部署、維護和支持服務。</p>
</div><h2>Featured Stories</h2>
<div class="lb-trans"><h2>精選故事</h2>
</div><ul>
<li>Five stocks we like better than EPAM Systems</li>
<li>How to Profit From Growth Investing</li>
<li>Market Momentum: 3 Stocks Poised for Major Breakouts</li>
<li>What is Insider Trading? What You Can Learn from Insider Trading</li>
<li>3 Reasons Casey’s General Stores Will Continue Trending Higher</li>
<li>Most active stocks: Dollar volume vs share volume</li>
<li>Golden Cross Alert: 3 Stocks With Major Upside Potential</li>
</ul>
<div class="lb-trans"><ul>
<li>五隻我們認為比 EPAM Systems 更好的股票</li>
<li>如何從成長投資中獲利</li>
<li>市場動量：3 只有重大突破潛力的股票</li>
<li>什麼是內幕交易？你可以從內幕交易中學到什麼</li>
<li>Casey’s General Stores 將繼續上漲的三個理由</li>
<li>最活躍的股票：美元交易量與股數交易量</li>
<li>黃金交叉警報：3 只具有重大上漲潛力的股票</li>
</ul>
</div><p><img src="https://imageproxy.pbkrs.com/https://www.marketbeat.com/scripts/SECFilingChart.ashx/query-UHJlZml4PU5ZU0UmU3ltYm9sPUVQQU0" alt="" original-src="https://www.marketbeat.com/scripts/SECFilingChart.ashx?Prefix=NYSE&amp;Symbol=EPAM"/></p>
<p><em>This instant news alert was generated by narrative science technology and financial data from MarketBeat in order to provide readers with the fastest reporting and unbiased coverage. Please send any questions or comments about this story to contact@marketbeat.com.</em></p>
<div class="lb-trans"><p><em>此即時新聞提醒由敍述科學技術和 MarketBeat 的金融數據生成，以便為讀者提供最快的報道和公正的覆蓋。請將任何問題或意見發送至 contact@marketbeat.com。</em></p>
</div><h2>Should You Invest $1,000 in EPAM Systems Right Now?</h2>
<div class="lb-trans"><h2>你現在應該投資 1,000 美元在 EPAM Systems 嗎？</h2>
</div><p>Before you consider EPAM Systems, you'll want to hear this.</p>
<div class="lb-trans"><p>在考慮 EPAM Systems 之前，你需要聽聽這個。</p>
</div><p>MarketBeat keeps track of Wall Street's top-rated and best performing research analysts and the stocks they recommend to their clients on a daily basis. MarketBeat has identified the five stocks that top analysts are quietly whispering to their clients to buy now before the broader market catches on... and EPAM Systems wasn't on the list.</p>
<div class="lb-trans"><p>MarketBeat 每天跟蹤華爾街頂級評級和表現最佳的研究分析師及其推薦給客户的股票。MarketBeat 已識別出五隻頂級分析師悄悄向客户推薦的股票，建議在更廣泛的市場注意到之前購買……而 EPAM Systems 並不在名單上。</p>
</div><p>While EPAM Systems currently has a Moderate Buy rating among analysts, top-rated analysts believe these five stocks are better buys.</p>
<div class="lb-trans"><p>雖然 EPAM Systems 目前在分析師中獲得了中等買入評級，但頂級分析師認為這五隻股票更值得購買。</p>
</div><p>View The Five Stocks Here</p>
<div class="lb-trans"><p>在這裏查看這五隻股票</p>
</div>

Blue Door Asset Management LLC 在 EPAM 系統公司（EPAM）中建立了頭寸