The film “Reagan” increased the number of theaters it is showing in and held on to the No. 3 spot at the box office during its second weekend in release. “Reagan” took in over $4.8 million in ticket sales and appeared on 2,770 screens nationwide, an increase of 16 over the previous week, Box Office Mojo reported. Its weekend haul overall put it behind “Deadpool & Wolverine” at No. 2 and the newly released “Beetlejuice Beetlejuice,” the long-awaited sequel to the original “Beetlejuice,” at No.1. The original came out in 1988, which incidentally was the final year of Ronald Reagan’s presidency. …