<div id="readability-page-1">U.S. stocks were mixed Monday as AI news continues to dominate financial headlines. getty U.S. stocks were mixed Monday as AI news continues to dominate financial headlines. The large-cap S&amp;P 500 index rose 0.4%, the technology-focused Nasdaq Composite rose 0.7%, and the Dow Jones Industrial Average, the blue-chip index, fell 0.1%.  On Monday, chipmaker AMD announced a multibillion-dollar partnership with OpenAI, the company behind ChatGPT. The deal involves AMD supplying chips to OpenAI over several years. AMD will generate tens of billions of dollars in annual revenue directly—and more indirectly if other buyers opt for AMD as an alternative supplier to Nvidia. The arrangement also gives OpenAI the option to buy about 10% of AMD.  Stock futures for the S&amp;P 500, Nasdaq 100 and Dow Jones are roughly flat ahead of the market open on Monday.  8 Expensive Investing Mistakes And How To Avoid Them Federal Reserve Board Governor Stephen Miran will speak at the Managed Funds Association Policy Outlook 2025 on Tuesday. Miran was appointed to the Fed’s policymaking committee just before the September interest-rate meeting. He disagreed with the quarter-point rate reduction, arguing instead for a larger cut.  MORE FOR YOU Miran has since been criticized for overstating the impact of immigration on inflation. The immigration impact was a key point in his argument for lower rates.  As Stagflation Fears Rise, Prepare For Higher Prices And Unemployment What does volatility mean for you? Volatility could mean everything or almost nothing, depending on your investing strategy, risk tolerance and investing timeline.  Volatility refers to how much and how quickly an asset’s value changes. If a stock’s price moves wildly up and down in short order, it’s highly volatile. Stocks that don’t experience dramatic price changes are less volatile.  Beta is a popular and understandable metric for measuring volatility. The baseline, market-level beta value is 1. When a stock’s beta is above 1, that stock is more volatile than the market. When a stock’s beta is below 1, that stock is less volatile than the market. In this case, the ‘market’ refers to the S&amp;P 500.  Understanding Risk Vs. Reward: What Every New Investor Should Know Here are four beta examples:  Volatility is important under these constraints:  Volatility is less important in these situations:  Many investors fear volatility, but you can manage it with a long-term strategy, an emphasis on quality and the right mindset.  6 Best ETFs To Buy And Invest In 2025 7 Top Stocks To Buy And Invest In 2025 6 Best Dividend Stocks To Buy For September 2025</div>

OpenAI

<p>美國股市週一表現參差不齊，標準普爾 500 指數上漲 0.4%，納斯達克綜合指數上漲 0.7%，而道瓊斯指數下跌 0.1%。AMD 宣佈與 OpenAI 達成數十億美元的合作伙伴關係，提供芯片，可能會帶來可觀的收入。聯邦儲備委員會理事 Stephen Miran 將就政策前景發表講話，他此前對最近的降息表示不同意見。討論了波動性的概念，強調其根據個人投資策略和風險承受能力的不同而具有不同的重要性</p>

Novice Investor’s Digest For Tuesday, October 7: AI News Continues To Dominate

- 美國股市週一表現不一，S&P 500 上漲 0.4%，納斯達克上漲 0.7%，道瓊斯下跌 0.1%。  
- 芯片製造商 AMD 與 OpenAI 達成數十億美元的合作協議，預計將直接產生數百億美元的年收入。  
- 美聯儲官員 Stephen Miran 將在週二的政策展望會上發言，支持更大幅度的降息。  

新手投資者週二摘要，10 月 7 日：人工智能新聞繼續主導市場