“Guardians of the Galaxy” moved back into the top spot at the North American box office over the weekend, outpacing the “Teenage Mutant Ninja Turtles,” according to final figures released Monday. “Guardians” earned $17.2 million between Friday and Sunday, pushing its four-week total to $251.5 million, according to Rentrak. “Turtles” collected a respectable $16.7 million, […]