After a long dry spell, shares of movie theater stocks perked up Tuesday. The biggest winner is AMC Entertainment, whose shares soared more than 20% following a record Memorial Day Weekend box office haul.

The domestic box office tallied in an estimated $326 million in ticket sales over Memorial Day Weekend, the highest haul for the holiday period ever.

Movie theaters across the country were packed over the holiday weekend as major summer blockbusters drew crowds back to the big screen, and Boston's Alamo Drafthouse in Seaport was no exception.