The HollyFrontier Corp. refinery

The HollyFrontier Corp. refinery

Paul Taggart/Bloomberg

The HollyFrontier Corp. refinery stands in Tulsa, Oklahoma, U.S., on Monday, Nov. 7, 2011. HollyFrontier Corp. reported a profit $523.1 million in its third-quarter earnings statement today, compared with a profit of $51.2 a year earlier.