'The Equalizer' Exacts Rare Box Office Vengeance for Sony

DailyFinance'The Equalizer' Exacts Rare Box Office Vengeance for SonyDailyFinanceSo when "The Equalizer" -- based on the 1980s TV drama of the same name -- banked the fourth-best September opening in U.S. box office history last weekend, it amounted to an uncommon -- and badly needed -- victory for Sony's (SNE) Columbia Pictures.