Super Micro Computer Inc (NASDAQ:SMCI) stock is plummeting today, down 23.8% at $21.10 at last glance, after the company's current-quarter earnings and sales forecasts missed Wall Street's estimates. The computer hardware name also posted disappointing fiscal first-quarter results, while also disclosing that it had still not filed a 10-K annual report -- which was previously pushed back in late August --with uncertainty about its filing. This isn't SMCI's first rough day in the last week. The stock fell 32. ...