KFC’s iconic fried chicken buckets are no longer enough to allow the company to stay ahead of its rivals as consumer preferences shift.The global fast-food restaurant chain owned by Yum Brands is trying to rejuvenate itself by leaning into its own version of the chicken sandwich, an item that’s stoked intense rivalries among major chains, and other new innovations such as spicy wings and potato wedges, which have proven popular among new customers.JPMorgan analysts said in a research note that KFC’s US divi ...