Stocks Hitting 52-Week Lows

shares reached a new 52-week low of $1.58 after the company reported the suspension of distribution for common units.

shares fell 10.23 percent to touch a new 52-week low of $1.23. Stifel Nicolaus downgraded Rex Energy from Hold to Sell.

shares dipped 5.95 percent to reach a new 52-week low of $94.40. BofA Merrill Lynch's Ross Gilardi downgraded Cummins from Buy to Underperform.

shares touched a new 52-week low of $13.55. BofA Merrill Lynch's Ross Gilardi downgraded the rating on Joy Global from Neutral to Underperform.