Imax saw Q2 global box office rise 19% and its highest grossing domestic quarter ever at $143 million. It will rerelease 'FI' ...

Giant screen producer-exhibitor Imax has reported second quarter earnings and revenues that topped Wall Street expectations, citing strong performances from "Avengers: Endgame" and its Chinese sites.

(Imax has 1,772 auditoriums — a fraction of the 250,000 screens worldwide.) Yet Imax’s share price has languished at roughly $16, down from the more than $19 it was trading at a year ago.