The selloff in the shares of AAA technology behemoths — Apple Inc., Alphabet Inc. and Amazon.com Inc. — that reported quarterly results overnight are shaving off a combined $158.5 billion from the companies’ market capitalizations. But that loss would be just about 38% of what the $254.5 billion gained the day before earnings were reported. Apple stock AAPL, +2.44% fell 2.4% in premarket trading Friday after earnings were reported late Thursday. While that would cut Apple’s market cap by $57.6 billion, the pre-earnings rally of 3.7% added $85.3 billion. Alphabet’s stock GOOGL, -2.75% GOOG, -3.29% fell 3.6% ahead of Friday’s open to reduce its market cap by $49.8 billion, but the Thursday rally of 7.3% had added $93.6 billion. And for Amazon, the stock AMZN, -8.43% shed 4.4% early Friday to cut off $51.1 billion in market cap, but Thursday’s surge of 7.4% had added $75.6 billion. Meanwhile, futures NQ00, -0.06% for the tech-heavy Nasdaq 100 sank 1.1% ahead of Friday’s open, after the index NDX, -1.79% jumped 3.6% on Thursday. The futures ES00, -0.04% for the S&P 500 SPX, -1.04% fell 0.6% early Friday.
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