Shares of AMC Entertainment (AMC +27.32%) soared on Monday after the movie theater leader posted a surprise profit. Better-than-expected Q2 resultsAMC's total revenue rose 14% year over year to $1.6 billion in the second quarter. Attendance trends were strong, with six films generating domestic opening weekend grosses of more than $75 million."The momentum in the total industrywide domestic box office was undeniable, reaching approximately $2.99 billion, up 10.7% from last year's second quarter, making this ...