This is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox.Happy Wednesday and New Year's Eve. I've decided that there are three main groups of holiday observers this year: Those going to parties or watching the Times Square ball drop at home; those doing late-night workout classes or races; and those going to AMC viewings of the "Stranger Things" finale.This newsletter normally walks you through five things to know before the market opens. Today, that list would inclu ...