Microsoft is trading 3.1% down at $538.49 as investors reassess whether tighter AI oversight and local opposition could slow data-center construction and cloud infrastructure spending. - Reports describe a reversal in post-election sentiment, with concern that restrictions could also constrain Azure’s growth. - Pressure is sector-wide: software and AI-related shares are falling, while the Nasdaq is sharply lower. - Microsoft’s trading volume was reported above average earlier in the session.