TECH STOCKS PLUNGE: Here's what you need to know

Tech stocks had a bad day. The FANG stocks — Facebook, Apple, Netflix, and Google — saw their biggest intraday drop in 22 months.  Meanwhile, bitcoin had a wild day of trading, surging past $11,000 a day after it rose above $10,000, before falling by more than 20%.  Here's the scoreboard:  Dow: 23,940.68, +103.97, (0.44%) S&P 500: 2,626.07, -0.97, (-0.04%) Nasdaq: 6,824.39, -87.97, (-1.27%) The second estimate of third-quarter gross domestic product showed the US economy grew at...