Shares of the three technology behemoths reporting quarterly results after the closing bell are surging in afternoon trading Thursday, enough to boost their collective market capitalizations by about $233 billion. Apple Inc.'s stock AAPL, +3.36% is surging 3.3% toward a 2 1/2-month high, Alphabet Inc.'s stock GOOGL, +6.40% GOOG, +6.27% is running up 6.4% toward a five-month high and Amazon.com Inc. shares AMZN, +6.88% are hiking up 6.8% toward d 3 1/2-month high.
Apple, Alphabet and Amazon stock rallies ahead of earnings are adding a total of more than $230 billion to their market caps