4 stocks to watch on Friday: RF, COP, GSK, and KO

U.S. stock futures fell amid a semiconductor selloff. ConocoPhillips rose after agreeing to acquire a 42% stake in BP's Iraqi venture. GSK shares dropped following the discontinuation of its experimental chronic cough therapy due to disappointing Phase 3 results. Coca-Cola gained slightly as it reported a ransomware incident affecting its Fairlife business, with investigation ongoing.