Par Pacific Holdings, Inc.PARR is a diversified energy company with a portfolio of refining, infrastructure, retail as well as exploration and production assets. Click to get this free report Delek US Holdings, Inc. (DK): Free Stock Analysis Report HollyFrontier Corporation (HFC): Free Stock Analysis Report Par Pacific Holdings, Inc. (PARR): Free Stock Analysis Report To read this article on Zacks.com click here. Agreed, gasoline prices usually rise during this time of the year as motorists take to the roads for summer travel but it seems that the fuel is starting to go up too much.