Have we already hit peak AI?Gravy Train DerailmentFollowing disappointing quarterly earnings results by Microsoft and Google owner Alphabet, Reuters reports that AI-related companies lost a whopping $190 billion in stock market value.Microsoft may have eked out a win, with the promise of AI services convincing investors, but even its stock dropped by 0.7 percent in extended trade, per the report.Google's parent company fared much worse, dropping 5.6 percent after missing ad revenue expectations....