June was a large turning point in the S&P 500, as the index went from being positive on the year to a negative stance. This broad index fell off more toward the end of the month, but it was helped along to this point by some of its equities. 24/7 Wall St. has included some of the top stocks that sank the S&P 500, along with some background information and color.

Micron Technology Inc. (NASDAQ: MU) was not treated well by the month of June. Analysts may have thought that Micron was going to turn itself around after a weak year thus far, but weak personal computer sales permeated Micron’s earnings, leading to further heartache. Over the course of the month, shares decreased 33.7%. The shares closed Tuesday up 0.6% at $18.84, in a 52-week trading range of $18.55 to $36.59. The stock has a consensus analyst price target of $31.27.

Chesapeake Energy Corp. (NYSE: CHK) suffered over the month of June due to poor performance. This company has been under fire from analysts for a while, not to mention that the natural gas price has tumbled due to a large storage increase. During the month, shares decreased 20.7%. Shares of Chesapeake closed Tuesday up 1.3% to $11.17. The consensus analyst price target is $15.23, and the 52-week trading range is$10.94 to $29.92.

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CONSOL Energy Inc. (NYSE: CNX) is in the middle of spinning off its coal master limited partnership. However, not everything has gone according to plan. The IPO priced about 25% below its expected range, and it appears that it is feeling pressure on all sides. Over the course of the month, shares decreased 21.9%. They closed Tuesday down 1.3%, at $21.74 in a 52-week range of $21.44 to $46.61. The consensus price target is $36.88.

Windstream Holdings Inc. (NASDAQ: WIN) has not had a good month, or really quarter for that matter. The company reverse-split its stock in and spun-off a real estate investment trust (REIT) back in April, but it appears that the company is still paying for this. Shares decreased 19.0% in June and closed Tuesday down 2.4% to $6.38, in a 52-week trading range of $6.10 to $20.84. The consensus price target is $21.05.

Western Digital Corp. (NASDAQ: WDC) has been a victim of the personal computer business over the past month, and even the quarter. As previously referenced with Micron, the numbers are not looking good. Over the course of the month, shares decreased 18.8%. They closed Tuesday down 4.3% to $78.42. The stock has a consensus price target of $115.05 and a 52-week range of $78.33 to $114.69.

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