Regal Cinemas to temporarily close all U.S. theaters, including one in the Valley

The parent company of Regal Cinemas, the second-largest movie theater chain in the U.S., is suspending operations at all of its locations in the U.S. starting on Oct. 8. The 543-theater chain reopened in August after months of closures related to the Covid-19 pandemic, but the movie industry has been hurt by state and local restrictions on operations, poor box-office returns from movies that have been released and a long list of postponed releases for much-anticipated films, such as the latest in…