Market Overview - U.S. stocks had a positive trading session, with the Dow Jones Industrial Average increasing by 480 points, or 0.99%, to 49,462.08. The NASDAQ rose by 0.65% to 23,547.17, and the S&P 500 increased by 0.62% to 6,944.82 [1] SanDisk Corporation - SanDisk shares surged by 27.56%, closing at $349.63, with an intraday high of $352 and a low of $288.50. In after-hours trading, the stock rose an additional 2.3% to $357.75. The stock's performance was bolstered by comments from Nvidia's CEO regarding the demand for memory and storage [2] - Recent options market activity showed significant bullish sentiment, with 40% of 110 trades opened with bullish expectations. Analysts have mixed views, with price targets ranging from $235 to $300 following SanDisk's 2025 spin-off from Western Digital [3] Alumis - Alumis shares skyrocketed by 95.31%, closing at $16.23, with an intraday high of $22.30 and a low of $15.27. In after-hours trading, the stock gained nearly 2.6% to $16.65. The increase followed positive topline results from Phase 3 trials of envudeucitinib for moderate-to-severe plaque psoriasis, meeting all primary and secondary endpoints [4] - Across both trials, 74% of patients achieved PASI 75 and 59% reached sPGA 0/1 at Week 16. By Week 24, about 65% achieved PASI 90, and more than 40% achieved PASI 100, outperforming Amgen's Otezla on all PASI endpoints. The drug was well tolerated, with plans for additional data presentations and an NDA submission in the second half of 2026 [5] Micron Technology Inc. - Micron shares increased by 10.02%, closing at $343.43, with an intraday high of $344.55 and a low of $318.06. The stock traded at a single-digit forward multiple of about 9.8x, indicating a potential earnings reset tied to AI-driven memory demand and a recovery in pricing [6][7] Ventyx Biosciences Inc. - Ventyx shares rose by 28.52%, closing at $10.05, with an intraday high of $25 and a low of $7.08. The stock surged nearly 62.6% to $16.34 in extended trading [8] - Eli Lilly is reportedly in advanced talks to acquire Ventyx for over $1 billion, which would enhance Lilly's portfolio with drugs targeting inflammatory bowel diseases and treatments for Parkinson's disease [9] Western Digital Corporation - Western Digital shares gained 16.77%, closing at $219.38, with an intraday high of $221.23 and a low of $188.36. The stock's surge was driven by expectations of rising memory prices amid a global supply crunch, benefiting peers like SanDisk and Seagate [10]