Aug 5 (Reuters) - U.S. refiner HollyFrontier Corp's HFC.N
quarterly profit more than doubled, helped by a rise in refining
margins due to lower crude prices.
Net income attributable to the company's shareholders rose
to $360.8 million, or $1.88 per share, in the second quarter
ended June 30, from $176.4 million, or 89 cents per share, a
year earlier. ID:nBw1K96kya
Sales and other revenue declined about 31 percent to $3.70
billion.