Benzinga's Top #PreMarket Losers

Targa Resources Partners LP NGLS shares dipped 8.62 percent to $14.00. Credit Suisse downgraded Targa Resources Partners from Outperform to Underperform and lowered the price target from $49.00 to $22.00. GoPro Inc GPRO shares dipped 2.51 percent to $19.01 in pre-market trading after climbing 8.64 percent on Friday. Central European Media Enterprises Ltd. CETV shares declined 1.46 percent to $2.70 after gaining 1.48 percent on Friday. Ambarella Inc AMBA shares tumbled 0.10 percent to $57.51 in pre-market trading after rising 1.73 percent on Friday.