Microsoft reported a 10% growth in quarterly profits, highlighting the effectiveness of its investments in artificial intelligence. Meanwhile, IBM exceeded profit estimates, driven by a shift towards AI, resulting in a surge of over 10% in its shares. Notably, IBM's stock saw a 13% increase, marking its best day since April 1999 and closing at an all-time high, which is three times its low in 2020. These developments reflect a broader trend in the technology sector, where AI investments are increasingly influencing financial performance.