CME disruption, Black Friday, the K-beauty boom and more in Morning Squawk

CME Group sign at NYMEX in New York.Adam Jeffery | CNBCThis is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox.Here are five key things investors need to know to start the trading day:1. Down and outStock futures trading was halted this morning after a data center "cooling issue" took down several Chicago Mercantile Exchange services. Individual stocks were still trading before the bell, while the CME said futures indexes and options trading would open fully at 8:30 ...