still, not knowing is enough for investors to rush to safety. u.s. stock futures dropping badly here. the dow futures down more than 2%, 800 points, markets in asia tumbling. in europe markets opening sharply lower here. more on this throughout the day. all right. this may be the final holiday shopping season for two iconic brands. sears and k-mart, which could be why sears is offering 50% off everything while k-mart is offering 40% off this black friday. the two chains emerged from bankruptcy two years ago, a shell of what used to be a combined 3500 stores nationwide. president biden and jill biden greeting service members on thanksgiving day in nantucket, massachusetts. they visit theed u.s. coast guard station where all six branches of the military were represented. cnn s jasmin wright joins us live with more. good morning. reporter: good morning. that s right, christine. president biden and first lady jill biden, they visited troop service members at brant fort.