Microsoft closed at $501.61 on Monday, September 21, up 1.59% from the $493.78 of the previous session, while the Nasdaq-100 jumped 2.83% to 30,482.35 points. The session benefited semiconductor manufacturers: chipmaker Arm rose 17.16%, Intel gained 12% and AMD by nearly 10%, driven by renewed expectations for demand for AI processors. Microsoft participated in the broad tech-sector rally, but lagged the overall index, despite the fact that its cloud services, Azure, continue to exceed available capacity.
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