Energy investors have been eagerly anticipating a wave of mergers to hit the sector. That's almost always what happens when energy prices plunge. However, this time, the wave has yet to hit.

This week, rumors were flying of merger offers being on the table, which sent several energy stocks soaring higher.  According to S&P Capital IQ data, Penn Virginia Corporation (NYSE:PVA), Williams Companies (NYSE:WMB), and Magnum Hunter Resources (NYSE:MHR) were the biggest energy movers this week. To learn more about the news that drove these stocks, check out the slideshow below.

Matt DiLallo has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.