AMC Entertainment Sets Plan To Sell 11.6M Shares; Red-Hot Stock Cools In Early Trading AMC Entertainment, which has been surfing a wave of retail enthusiasm over its meme-worthy stock, has decided to cash in and sell 11.6 million shares. The No. 1 exhibitor announced the plan this morning in an SEC filing. Shares in the company, which had surged above $60 a share this week, giving the…