Leawood, Kansas-based movie theater chainAMC Entertainment Holdings, Inc. (NYSE:AMC) preannounced first quarter results after the market close on Friday, and the stock fell in after-hours trading. Q1 Preannouncement: AMC said it expects to report first-quarter revenue of $951.4 million and a net loss of $163.5 million (62 cents per share). This is in comparison to the year-ago numbers of $954.4 million in revenue and $235.5 million in net loss ($1.71 per share). Analysts, on average, have modeled revenue of $861.06 million and a loss of 79 cents per share, according to Benzinga Pro data. Comme…