--- title: "Stock Market Today, April 22: Micron Technology Surges on Continued Memory Boom" type: "News" locale: "en" url: "https://longbridge.com/en/news/283733780.md" description: "Micron Technology (NASDAQ:MU) surged 8.48% to $487.48 amid strong AI memory demand and a ceasefire in Iran. Trading volume reached 45.4 million shares, exceeding the three-month average. The S&P 500 and Nasdaq Composite also saw gains of 1.05% and 1.64%, respectively. Despite a 145% increase over six months, concerns about sustainable growth persist, especially if AI memory needs decline. The Motley Fool's Stock Advisor did not include Micron in its top 10 stock recommendations, suggesting caution for potential investors." datetime: "2026-04-22T23:00:49.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/283733780.md) - [en](https://longbridge.com/en/news/283733780.md) - [zh-HK](https://longbridge.com/zh-HK/news/283733780.md) --- # Stock Market Today, April 22: Micron Technology Surges on Continued Memory Boom **Micron Technology** (NASDAQ:MU), a leading memory and storage producer, closed Wednesday at $487.48, up 8.48%. The stock moved higher amid broader confidence in artificial intelligence (AI) memory demand and news of a ceasefire in Iran. Trading volume reached 45.4 million shares, coming in 9.6% above its three-month average of 41.4 million shares. Micron Technology IPO'd in 1984 and has grown 34,411% since going public. ## How the markets moved today The **S&P 500** (SNPINDEX:^GSPC) added 1.05% to finish Wednesday at 7,138, while the **Nasdaq Composite** (NASDAQINDEX:^IXIC) climbed 1.64% to close at 24,658. Within semiconductors, rival **Western Digital** (NASDAQ:WDC) rose 1.38% to close at $389.10, and **Sandisk** (NASDAQ:SNDK) soared 8.37% to finish at $979.07 as AI-related chipmakers continued to benefit from strong demand narratives. ## What this means for investors Micron Technology soared to a record high today on continued optimism about high demand for its high-bandwidth memory (HBM) chips and wider hopes for a de-escalation of tensions in the Middle East. The stock has gained more than 145% in the past six months, though it has been a bumpy ride. Investors are nervous about the sustainability of its growth, which could be undermined by any technical developments that reduce artificial intelligence’s heavy memory needs, weighing on the stock. Right now, the memory boom looks set to continue. However, further volatility is likely, particularly if the ceasefire in Iran does not lead to a peace agreement soon. Prolonged restrictions on oil transit could reduce investor appetite for high-risk tech stocks. ## Should you buy stock in Micron Technology right now? Before you buy stock in Micron Technology, consider this: The _Motley Fool Stock Advisor_ analyst team just identified what they believe are the **10 best stocks** for investors to buy now… and Micron Technology wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years. Consider when **Netflix** made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, **you’d have $499,277**!\* Or when **Nvidia** made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, **you’d have $1,225,371**!\* Now, it’s worth noting _Stock Advisor’s_ total average return is 972% — a market-crushing outperformance compared to 198% for the S&P 500. **Don't miss the latest top 10 list, available with _Stock Advisor_, and join an investing community built by individual investors for individual investors.** **See the 10 stocks »** _\*Stock Advisor returns as of April 22, 2026._ _Emma Newbery has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Micron Technology and Western Digital. The Motley Fool has a disclosure policy._ The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc. ### Related Stocks - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [SOXL.US](https://longbridge.com/en/quote/SOXL.US.md) - [SOXQ.US](https://longbridge.com/en/quote/SOXQ.US.md) - [QQQ.US](https://longbridge.com/en/quote/QQQ.US.md) - [XSD.US](https://longbridge.com/en/quote/XSD.US.md) - [MULL.US](https://longbridge.com/en/quote/MULL.US.md) - [DRAM.US](https://longbridge.com/en/quote/DRAM.US.md) - [FTXL.US](https://longbridge.com/en/quote/FTXL.US.md) - [PSI.US](https://longbridge.com/en/quote/PSI.US.md) - [.SPX.US](https://longbridge.com/en/quote/.SPX.US.md) - [NDAQ.US](https://longbridge.com/en/quote/NDAQ.US.md) - [.IXIC.US](https://longbridge.com/en/quote/.IXIC.US.md) - [WDC.US](https://longbridge.com/en/quote/WDC.US.md) - [SNDK.US](https://longbridge.com/en/quote/SNDK.US.md) - [NFLX.US](https://longbridge.com/en/quote/NFLX.US.md) - [NVDA.US](https://longbridge.com/en/quote/NVDA.US.md) - [WDCVV.US](https://longbridge.com/en/quote/WDCVV.US.md) - [SNDKV.US](https://longbridge.com/en/quote/SNDKV.US.md) - [NVD.DE](https://longbridge.com/en/quote/NVD.DE.md) ## Related News & Research - [New York State Teachers Retirement System Sells 25,761 Shares of Micron Technology, Inc. $MU](https://longbridge.com/en/news/284797276.md) - [Micron’s HBM Sell Out And Export Push Reshape AI Memory Outlook](https://longbridge.com/en/news/284120152.md) - [Why Micron (MU) and SanDisk (SNDK) Stocks Are Up Today and What Comes Next](https://longbridge.com/en/news/284240094.md) - [Teachers Retirement System of The State of Kentucky Trims Stake in Micron Technology, Inc. $MU](https://longbridge.com/en/news/284108580.md) - [This Forecast Could Spell Trouble for Micron Technology Stock](https://longbridge.com/en/news/284234675.md)