Benzinga's Top #PreMarket Losers

Biotie Therapies Corp. BITI shares declined 9.90 percent to $21.65 in pre-market trading after jumping 10.23 percent on Friday. Ambarella Inc AMBA fell 3.23 percent to $115.50 in pre-market trading after dropping 5.80 percent on Friday. Micron Technology, Inc. MU shares fell 1.63 percent to $24.07 in pre-market trading. Goldman Sachs downgraded Micron from Neutral to Sell. The price target for Micron has been lowered from $27 to $19. Achillion Pharmaceuticals, Inc. ACHN shares dropped 1.59 percent to $8.65 in pre-market after falling 1.57 percent on Friday. Randgold Resources Ltd. (ADR) GOLD shares tumbled 0.50 percent to $69.97 in pre-market trading after falling 2.55 percent on Friday.