 Shares of Cinemark Holdings Inc. CNK, 6.61 shot up 3.7 in premarket trading Friday, after the movie theater operator swung to a surprise fourth-quarter profit, the first profit in eight quarters, as revenue rose nearly seven-fold to beat expectations by a wide margin. The company reported net income of 5.7 million, or 5 cents a share, the first profit since the fourth quarter of pre-pandemic 2019, after a loss of 239.3 million, or 2.03 a share, in the same period a year ago. 