Westinghouse Air Brake Technologies (WAB) Q3 Earnings Surpass Estimates Posted byZacks Equity Research October 27, 2021 Leave a comment on Westinghouse Air Brake Technologies (WAB) Q3 Earnings Surpass Estimates Wabtec (WAB) delivered earnings and revenue surprises of 0.88% and -8.63%, respectively, for the quarter ended September 2021. Do the numbers hold clues to what lies ahead for the stock?