“Magic Mike XXL” is narrowly outstripping “Terminator Genisys” at the holiday weekend box office. According to Warner Bros., the Channing Tatum male-stripper sequel earned $9.3 million on its opening day Wednesday. Paramount Pictures said Thursday that its reboot of the Arnold Schwarzenegger sci-fi franchise, “Terminator Genisys,” opened with $8.9 million Wednesday. Both sums include about $2 million in Tuesday night showings. The two films are vying to unseat “Jurassic World” over the July Fourth weekend.
