US STOCKS-Wall St little changed as oil pares gains
* Oil pares gains after US gasoline inventory data
* Railroad operators CSX, Norfolk, Union Pacific gain
* AbbVie drops on downgrade, biggest drag on S&P
* Indexes up: Dow 0.14 pct, S&P 0.05 pct, Nasdaq 0.01 pct (Adds details, comments, updates prices)
By Yashaswini Swamynathan
June 8 (Reuters) - Wall Street was little changed in a narrow trading range late on Wednesday morning, with the S&P 500 inching towards its all-time high, as oil prices gave up some early gains.
While oil prices held above $50 per barrel for the second consecutive day, they pared gains sharply after data showed a surprise build in U.S. gasoline inventories.
The energy index, which led the market higher at the start, reversed course to trade down 0.11 percent.
Investors have all but priced out an interest rate hike when Federal Reserve officials meet on June 14-15, after surprisingly weak monthly jobs data last Friday. Continuación...