--- title: "Top 20 US Stock Trading Volumes on July 31: Microsoft's Stock Price Achieves Best Single-Day Performance in 18 Years" type: "News" locale: "en" url: "https://longbridge.com/en/news/294415473.md" description: "On July 31, among the top 20 trading volumes in the US stock market, Micron Technology ranked first with a trading volume of $51.158 billion, closing up 18.32%; Microsoft followed with $49.116 billion, closing up 15.51%, marking its best single-day performance in 18 years. The surge in chip stocks was driven by Microsoft's AI investment statements and deleveraging factors. Microsoft's financial report showed accelerated cloud business growth and controllable AI spending, restoring investor confidence" datetime: "2026-07-30T20:58:16.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294415473.md) - [en](https://longbridge.com/en/news/294415473.md) - [zh-HK](https://longbridge.com/zh-HK/news/294415473.md) --- # Top 20 US Stock Trading Volumes on July 31: Microsoft's Stock Price Achieves Best Single-Day Performance in 18 Years On Thursday, Micron Technology, the top stock in U.S. trading volume, rose 18.32%, with a transaction volume of $51.158 billion. On Thursday, the stock prices of SanDisk, Micron, and other chip manufacturers surged significantly. Microsoft's "responsible" stance on AI investment seems to be good news for companies accepting its expenditures. Gil Luria, Managing Director at D.A. Davidson, pointed out that Microsoft's "responsible attitude" towards capital expenditure was a driving factor behind the rise in the chip sector on Thursday. Wedbush analyst Matt Bryson believes that the growth in cloud revenue driven by Microsoft's AI business improves the narrative that "AI spending crushes growth and cash flow and is unsustainable." Gabelli research analyst Hendi Susanto also believes that Microsoft's earnings report revitalized chip stocks. One of the previous issues in the chip sector was the excessive use of leverage by South Korean investors, but recent measures have curbed speculative bets. Zacks Investment Research stock strategist Andrew Rocco stated that often when over-leveraged investors take losses and exit, it is precisely when the market hits bottom. He believes that Thursday's market was a combination of deleveraging and investors buying on dips due to attractive valuations. The second stock, Microsoft, rose 15.51%, with a transaction volume of $49.116 billion. Microsoft's stock price recorded its best single-day performance in 18 years, also achieving its best performance following an earnings report in history. The company has finally begun to convince Wall Street that it is finding the right balance in AI—this is translating into historic stock price increases. Previously, Microsoft had been resisting external criticism of its AI spending, especially as cloud growth was suppressed. However, as Microsoft's latest earnings report showed accelerated performance in its cloud business, investors are now starting to feel positive about Microsoft's story. Meanwhile, management has made assurances that the significant investment in AI this fiscal year is not expected to push the company into negative free cash flow territory. In a report on Thursday, D.A. Davidson analyst Gil Luria wrote that Microsoft's "very strong" earnings report "should not only change the narrative around Microsoft but also send a signal that AI development is in the hands of responsible parties." Evercore ISI analyst Kirk Materne noted in a report on Thursday that the "unexpected magnitude" of Microsoft's Azure accelerated growth "even exceeded the most optimistic expectations." He specifically mentioned that the company's Azure growth rate reached 43% in the fourth fiscal quarter, with a goal of achieving 45% growth in the September quarter on a constant currency basis. The third stock, SanDisk, rose 25.99%, with a transaction volume of $28.635 billion. Analysts stated that Microsoft's earnings report drove a broad rally in the U.S. storage and chip sectors on Thursday. Microsoft's latest quarterly capital expenditure (including financing leases) grew by 70%, but management indicated that they expect to record positive free cash flow in the new fiscal year, alleviating market concerns that Microsoft might fall into a cash consumption mode due to a severe disconnect between AI costs and revenues. This statement is good news for chip stock investors Previously, chip stocks had fallen far below their peak during the crash in July, reflecting market concerns about the sustainability of AI spending. Ranked 5th, Meta Platforms fell 7.95%, with a trading volume of $22.374 billion. Analysts stated that Meta's investment in AI is accelerating, and the company needs to prove to investors that it can truly make money outside of advertising. Meta Platforms' stock was under pressure on Thursday as investors hesitated over its massive spending on artificial intelligence, coupled with uncertainty regarding its investment plans for next year. The tech giant's stock dropped 9.7% in early trading on Thursday, with Evercore ISI analyst Mark Mahaney noting that the "lack of forward guidance" on spending in 2027 was one of the factors weighing on the stock price. The tech giant has once again raised its capital expenditure plans for 2026, disclosing in its second-quarter earnings report that the current expected range is $130 billion to $145 billion, up from a previous low-end guidance of $125 billion. Meta's Chief Financial Officer Susan Li stated that the company expects to face "demand constraints" in the foreseeable future, including in its core business areas, "We still have many areas with positive returns on investment, and we will invest if there is computing power." She referred to the return on investment. Ranked 6th, Amazon rose 3.90%, with a trading volume of $22.003 billion. Amazon released its second-quarter earnings report, with revenue and cloud business growth exceeding market expectations, leading to a post-market stock surge of over 9%. In this quarter, Amazon's cloud business revenue surged 37% year-on-year, surpassing Wall Street's growth expectation of 31%. Amazon CEO Andy Jassy stated in the earnings announcement that this is the highest growth rate for this business segment in 18 quarters. Jassy mentioned that the AWS business is "thriving," highlighting the artificial intelligence business and self-developed chip segment, both of which have annualized revenues exceeding $25 billion. Amazon increasingly emphasizes its self-developed chip business (including the Trainium training chips and Graviton general-purpose processors) as a new growth pillar; AI products such as the Bedrock model marketplace are primarily targeted at enterprise customers. Amazon provided a revenue guidance range for this quarter of $197 billion to $202 billion, with analysts' consensus expectation at $204.1 billion. Ranked 8th, AMD rose 13%, with a trading volume of $17.495 billion. AMD recently announced the launch of the AMD Instinct MI400 series GPUs aimed at cutting-edge AI and HPC. Ranked 9th, Intel rose 11.3%, with a trading volume of $12.393 billion. On Thursday, U.S. stocks in the storage and chip sectors generally surged. Ranked 10th, Tesla rose 3.53%, with a trading volume of $11.467 billion. Reports on Thursday indicated that Tesla's global vehicle production has surpassed 10 million units Ranked 13th, NBIS rose by 27.13%, with a trading volume of $7.731 billion. The company's stock price was also boosted by Microsoft's earnings report. In the fourth quarter, Microsoft's Azure and other cloud services revenue grew by 43% year-on-year (at constant exchange rates), surpassing the previous quarter's 40% and exceeding analysts' expectations of 39.6% to 40%. For the first time, annual Azure revenue exceeded $100 billion, making it the second cloud service provider to reach this milestone after Amazon AWS. Ranked 14th, SK Hynix rose by 17.52%, with a trading volume of $7.22 billion. On Thursday, U.S. stocks in the chip and semiconductor sector surged across the board. Ranked 15th, BE rose by 26.49%, with a trading volume of $6.99 billion. Recently, the short-selling firm Hunterbrook released a report questioning Bloom Energy's supply chain and capacity, pointing out its high dependence on scandium, stating that the amount of scandium oxide required for 5 gigawatts of capacity far exceeds the global annual supply; it also questioned the certainty of its revenue growth, core customer project permits, and large order deployment timelines. In response to the accusations from the short-selling firm, Bloom Energy quickly clarified, emphasizing its diversified supply chain and pointing out that the actual usage of scandium is very small; it also refuted the report's claims regarding its financial performance and accounting practices, calling them "false and misleading." Ranked 16th, TSMC rose by 7.64%, with a trading volume of $6.897 billion. According to two insiders, TSMC is developing a product similar to Intel's existing advanced chip packaging technology, indicating that the world's leading chip manufacturer is concerned about competition from rivals. Chip packaging is the final stage of chip production, assembling different silicon wafers into a single unit and wiring them so they can function as a whole and connect to other parts of the computer. Insiders stated that within TSMC, engineers refer to this advanced packaging project as "EMIB-like" and have discussed this solution with some customers. (Screenshot from Sina Finance APP Market - U.S. Stocks - Stock Market Sector Swipe for more data) Download the Sina Finance APP ### Related Stocks - [MSFT.US](https://longbridge.com/en/quote/MSFT.US.md) - [MIC.US](https://longbridge.com/en/quote/MIC.US.md) - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [MUU.US](https://longbridge.com/en/quote/MUU.US.md) - [MSFL.US](https://longbridge.com/en/quote/MSFL.US.md) - [MUZ.US](https://longbridge.com/en/quote/MUZ.US.md) - [MSFU.US](https://longbridge.com/en/quote/MSFU.US.md) - [MSFD.US](https://longbridge.com/en/quote/MSFD.US.md) - [MSFO.US](https://longbridge.com/en/quote/MSFO.US.md) - [MULL.US](https://longbridge.com/en/quote/MULL.US.md) - [MSFX.US](https://longbridge.com/en/quote/MSFX.US.md) - [MSFW.US](https://longbridge.com/en/quote/MSFW.US.md) - [MUD.US](https://longbridge.com/en/quote/MUD.US.md) - [MSFY.US](https://longbridge.com/en/quote/MSFY.US.md) - [MAGX.US](https://longbridge.com/en/quote/MAGX.US.md) - [MUYY.US](https://longbridge.com/en/quote/MUYY.US.md) - [SNDK.US](https://longbridge.com/en/quote/SNDK.US.md) - [META.US](https://longbridge.com/en/quote/META.US.md) - [AMZN.US](https://longbridge.com/en/quote/AMZN.US.md) - [AMD.US](https://longbridge.com/en/quote/AMD.US.md) - [INTC.US](https://longbridge.com/en/quote/INTC.US.md) - [TSLA.US](https://longbridge.com/en/quote/TSLA.US.md) - [NBIS.US](https://longbridge.com/en/quote/NBIS.US.md) - [BE.US](https://longbridge.com/en/quote/BE.US.md) - [TSM.US](https://longbridge.com/en/quote/TSM.US.md) ## Related News & Research - [Microsoft Just Made Cybersecurity AI More Accessible](https://longbridge.com/en/news/294098034.md) - [Former Microsoft President Jeff Raikes Says AI Could Create a 'Talent Debt' by Replacing Entry-Level Work](https://longbridge.com/en/news/293906551.md) - [Microsoft confirms Copilot ‘super app’ coming this year](https://longbridge.com/en/news/294270930.md) - [Microsoft Expects FY2027 Capex To Grow Year-Over-Year](https://longbridge.com/en/news/294269889.md) - [Xbox outage shouldn’t have affected games on disc, Microsoft confirms](https://longbridge.com/en/news/294196756.md)