3 Oil Refining Stocks at All-Time Highs: Should You Buy?

Three refining companies that may be catching investors' attention in the Oil/Energy space are Valero Energy (VLO) , Marathon Petroleum (MPC) and Phillips 66 (PSX) . As a matter of fact, the stocks again made headlines on Wednesday after reaching fresh highs.VLO, MPC and PSX climbed to their all-time highs of $182.73, $218.59 and $173.55, respectively. On the day, each of them saw their share price increase about 2%. This jump marks a year-to-date ascent of somewhere between 30% and 45% for the operators.Wh ...