The past few weeks have seen multiple stocks moving sharply on blockchain-related news, a trend that continued Friday. Yum Yum! Brands, Inc., (NYSE: YUM), operator of fast food franchises Taco Bell, KFC, WingStreet and Pizza Hut, rose 1.54 after KFC Canada launched “Bitcoin Bucket”, for which the company will be accepting bitcoin as payment. KFC announced the tongue-in-cheek initiative through social media, tweeting “KFC Canada presents The #Bitcoin Bucket. Sure, we don’t know exactly what...