The rally was the latest example of heavy day-to-day volatility for the FAANG stocks, a quintet that also includes Amazon.com Inc., Netflix Inc. and Google’s parent Alphabet Inc. All gained at least 3 percent, while Netflix surged 6.3 percent. Facebook added 3.8 percent in the wake of its results. At its peak, Wednesday’s rally had Netflix and Facebook tracking to close with their biggest one-day gain since April.
