Microsoft stock plunged 23% in Q1, a steeper drop than any of its tech peers or the Nasdaq, and its steepest quarterly drop since the 2008 financial crisis (Jordan Novet/CNBC)

Jordan Novet / CNBC: Microsoft stock plunged 23% in Q1, a steeper drop than any of its tech peers or the Nasdaq, and its steepest quarterly drop since the 2008 financial crisis — Microsoft just closed out its worst quarter on Wall Street since the 2008 financial crisis, as investors soured on the software giant's prospects in artificial intelligence.