Oil up/Wall Street down: Hump day starts on a soft note

OIL UP/WALL STREET DOWN: HUMP DAY STARTS ON A SOFT NOTEU.S. stocks-and-crude's seesaw tipped on Wednesday, as rising oil prices sent stocks lower and Treasury yields higher.All three major U.S. equity indexes are lower, with small caps TVC:RUT suffering a steeper percentage drop than their larger c…