Stock Market Today: Dow Sinks 464 Points, But Chip Firm Surges; Microsoft Surpasses Buy Zone (Live Coverage)

Today, the stock market saw a decline with the Dow Jones index dropping by 464 points and the Nasdaq composite also closing lower. Technology companies Sandisk and Western Digital experienced significant slumps. However, amidst the downward trend, a chip firm surged, and Microsoft exceeded its buy zone. This information was provided live by Investor's Business Daily in their coverage of the day's market activity.