The price of oil has been bumpy during the past few weeks, but has been basically stuck at around $60 per barrel. The oil-price rally has taken a breather, and it has taken the life out of many oil stocks. As a result, analysts and investors are growing more cautious. That caution is causing the stock prices of some oil stocks to take a hit. 

According to S&P Capital IQ data, Magnum Hunter Resources Corp (NYSE: MHR), Penn Virginia Corporation (NYSE: PVA), and Bill Barrett Corporation (NYSE: BBG) were the hardest hit by the combination of stagnant oil prices and downgrades. 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.