https://www.live-feeds.com/feed/stock-market-today-dow-rises-ahead-of-economic-d-day-micron-sandisk-dive-live-coverageContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/stock-market-today-dow-rises-ahead-of-economic-d-day-micron-sandisk-dive-live-coveragehttps://www.live-feeds.com/feed/stock-market-today-dow-rises-ahead-of-economic-d-day-micron-sandisk-dive-live-coverage#u47888Tue, 25 Aug 2026 05:05:16 +0000US stock indexes closed higher on August 21, 2026, though the Dow, S&P 500, and Nasdaq all recorded losses for the week. Treasury yields trended upward while investors focused on bond yields and tensions involving Iran. Market volatility persists as traders anticipate Nvidia earnings and the Jackson Hole symposium. While the Dow rose during the session, shares of Micron and Sandisk experienced sharp declines.Why it mattersThe market is reacting to a combination of geopolitical instability and upcoming economic catalysts. Investors are weighing the impact of federal policy signals from Jack