Beleaguered movie-theater operators could finally get the happy ending they’ve been looking for—provided they survive a long, hard winter.
Shares of the three largest U.S. chains rocketed to life Monday following the big news of a breakthrough on a Covid-19 vaccine. Cinemark Holdings and U.K.-listed Cineworld Group each jumped more than 40%, while AMC Entertainment surged 51% by the closing bell. Those were significantly bigger bounces than those seen by other downtrodden in-person entertainment groups such as theme-park…