S&P 500 Gains and Losses Today: Palantir Stock Plunges; Intel Rallies on Softbank Support

Key Takeaways The S&P 500 slid 0.6% on Tuesday, Aug. 19, 2025, as tech losses weighed on the index. Palantir shares plunged as a well-known short seller expressed concerns about the stock's elevated valuation. Intel stock surged as SoftBank announced... [2769 chars]