May 12 (Reuters) - U.S. stock index futures extended losses on Wednesday after data showed consumer prices rose far more than expected in April, raising worries of faster interest rate hikes. At 8:33 a.m. ET, Dow e-minis were down 195 points, or 0.57%, S&P 500 e-minis were down 32.25 points, or 0.78%, and Nasdaq 100 e-minis were down 157.5 points, or 1.18%. (Reporting by Sruthi Shankar in Bengaluru; Editing by Arun Koyyur)