Drilling chief calls bottom on U.S. oil By: CNBC.com News November 06, 2014 at 14:51 PM EST Continental Resources Chief Harold Hamm believes US oil prices are not going lower and expects an upsurge in the short term to the $85 to $90 range. Read More >> Related Stocks: American Airlines Gp Citigroup Continental Resources Exxon Mobil Stifel Financial Corp