Among its biggest drags, shares of Intel Corp INTC.O slid 5.3% after Citi cut its estimates on the chipmaker for the second time in a week. By Caroline Valetkevitch NEW YORK, June 8 (Reuters) - U.S. stocks fell on Wednesday as Treasury yields rose above the psychologically important 3% level and oil prices jumped, fanning worries about inflation and the outlook for interest rates. Brent crude oil prices LCOc1 rose above $123 a barrel and hit a 13-week high, while the Dow Jones transportation average .DJT fell 3.8%, significantly underperforming the other main indexes on the day.