--- title: "Midday Movers: Semiconductor Stocks Surge as Micron Jumps Nearly 12%; Crypto Miners Rally" type: "News" locale: "en" url: "https://longbridge.com/en/news/293367166.md" description: "U.S. stocks advanced midday Monday, led by a semiconductor rally. Micron Technology surged nearly 12%, Intel climbed over 7%, and crypto mining stocks moved sharply higher alongside a Bitcoin rebound." datetime: "2026-07-21T16:25:22.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/293367166.md) - [en](https://longbridge.com/en/news/293367166.md) - [zh-HK](https://longbridge.com/zh-HK/news/293367166.md) --- # Midday Movers: Semiconductor Stocks Surge as Micron Jumps Nearly 12%; Crypto Miners Rally U.S. equities pushed higher in midday trading on July 21, with all three major indexes in positive territory. The S&P 500 rose about **0.8%**, the Nasdaq Composite gained over **1.2%**, and the Dow Jones Industrial Average added roughly **0.5%**. Semiconductors led the charge across the board, while crypto mining stocks also rallied, signaling a broad pickup in risk appetite. **Semiconductor Sector Surges: Micron Up Nearly 12%, Intel Jumps Over 7%** Chip stocks posted standout gains. Micron Technology (MU) surged **11.99%** to **$969.27** on turnover exceeding **$260 billion**. Intel (INTC) climbed **7.49%** to **$104.33**. SK Hynix (SKHY) jumped **10.19%** to **$166.56**, and Nvidia (NVDA) added **1.20%** to **$205.71**. On the catalyst front, Chinese AI model Kimi K3 suspended new user registrations due to overwhelming demand. Analysts noted that the model’s large parameter scale is driving demand for high-performance memory, with Nvidia and Micron seen as the key beneficiaries. TSMC confirmed wafer price increases of **5% to 10%** for 2027, with advanced AI chip orders potentially facing surcharges as high as **15%**, reflecting continued strong AI foundry demand. Separately, Nvidia announced at the SIGGRAPH conference an expansion of its Omniverse AI Agent Toolkit with a new physics AI simulation library; Bank of America reiterated a Buy rating with a **$350** price target. **Crypto Mining Stocks Rally: Cipher Digital Soars Over 17%** Cipher Digital (CIFR) surged **17.19%** to **$24.07**, MARA (MARA) gained **7.95%** to **$12.60**, CleanSpark (CLSK) rose **8.15%** to **$15.60**, and IREN added **4.15%** to **$41.87**. Bitcoin traded up roughly **2%** on the day, lifting crypto mining names across the board. Elsewhere, Tesla (TSLA) rose **3.10%** to **$381.05** ahead of its second-quarter earnings report, with the market projecting revenue of **$26.4 billion** and net income of **$1.8 billion**; investors are focused on updates regarding the robotaxi and Optimus initiatives. Apple (AAPL) is reportedly set to launch its “Apple Upgrade” device leasing program in the U.S. on July 28. Alphabet (GOOGL) shares edged higher on reports the company is developing a server chip codenamed “Frozen v2” to optimize its Gemini AI models. Meanwhile, JPMorgan warned in a note that U.S. equity gains in the second half of the year could be limited, citing market dysfunction and persistent inflation risks. ### Related Stocks - [MU.US](https://longbridge.com/en/quote/MU.US.md) - [INTC.US](https://longbridge.com/en/quote/INTC.US.md) - [NVDA.US](https://longbridge.com/en/quote/NVDA.US.md) - [SKHY.US](https://longbridge.com/en/quote/SKHY.US.md) - [TSLA.US](https://longbridge.com/en/quote/TSLA.US.md) - [MARA.US](https://longbridge.com/en/quote/MARA.US.md) - [CIFR.US](https://longbridge.com/en/quote/CIFR.US.md) - [CLSK.US](https://longbridge.com/en/quote/CLSK.US.md) - [GOOGL.US](https://longbridge.com/en/quote/GOOGL.US.md) - [AAPL.US](https://longbridge.com/en/quote/AAPL.US.md) ## Related News & Research - [Elon Musk Just Revealed a Quiet Win for Tesla’s AI Ambitions](https://longbridge.com/en/news/293848955.md) - [AAPL Stock Alert: What to Know as Apple Partners With Klarna to Lease iPhones](https://longbridge.com/en/news/294104418.md) - [Tesla Debuts Its Robotaxis in Orlando and Tampa. What This Means for TSLA Stock.](https://longbridge.com/en/news/293824247.md) - [Is SK Hynix Stock a Buy After Its Latest Earnings Report?](https://longbridge.com/en/news/294240451.md) - [Apple says UK App Store proposal amounts to price regulation](https://longbridge.com/en/news/294231045.md)