Stock market today: S&P 500, Nasdaq sink as Microsoft's post-earnings plunge drags tech down

US stocks sank in mid-morning trading on Thursday on a tech-driven selloff as investors digested the latest megacap tech earnings ahead of Apple's report. Meanwhile, gold (GC=F) and oil (BZ=F) rallied amid fears of US military strikes on Iran. The tech-heavy Nasdaq Composite (^IXIC) led losses, shedding roughy 1.8% amid an over 10% plunge from Microsoft (MSFT). The S&P 500 (^GSPC) and Dow Jones Industrial Average (^DJI) slid by 0.7% and 0.2%, respectively, following Wednesday's muted performance. Microso ...