Benzinga's Top Downgrades

Roth Capital downgraded JinkoSolar Holding Co., Ltd. JKS from Buy to Neutral. JinkoSolar shares declined 1.10 percent to $18.85 in pre-market trading.
Vertical Research downgraded Ball Corporation BLL from Buy to Hold. Ball shares gained 12 percent to close at $78.51 on Thursday.
Analysts at Wunderlich downgraded Imperva Inc IMPV from Buy to Hold. Imperva shares fell 2.79 percent to close at $45.01 on Thursday.
Analysts at Needham downgraded Hortonworks Inc HDP from Buy to Hold. Hortonworks shares fell 32.94 percent to $8.47 in pre-market trading.
Deutsche Bank downgraded Occidental Petroleum Corporation OXY from Buy to Hold. Occidental Petroleum shares fell 0.17 percent to close at $74.25 on Thursday.
CIBC downgraded Sierra Wireless, Inc. (USA) SWIR from Sector Perform to Sector Underperform. Sierra Wireless shares declined 18.5 percent to $14.00 in pre-market trading.
Analysts at Baird downgraded Regeneron Pharmaceuticals Inc REGN from Outperform to Neutral. Regeneron Pharmaceuticals shares fell 1.81 percent to close at $433.40 on Thursday.
Analysts at William Blair downgraded FireEye Inc FEYE from Outperform to Market Perform. FireEye shares fell 15.52 percent to $14.15 in pre-market trading.
Barclays downgraded Apache Corporation APA from Overweight to Equal-weight. Apache shares fell 3 percent to close at $50.18 on Thursday.
Raymond James downgraded Windstream Holdings, Inc. WIN from Market Perform to Underperform. Windstream shares dropped 1.78 percent to $8.82 in pre-market trading.