Shares of DuPont were rising early Thursday, partly because of an upbeat call from Wall Street, and partly because of the company’s incredibly strong Kevlar fiber, used in bulletproof vests. DuPont stock was up 1.1% at $73.75, while and futures gained 0.3%. Citi analyst Patrick Cunningham put a 90-day “catalyst watch” on DuPont stock, a designation used when a Citi analyst believes a stock will move up or down, soon.