Benzinga's Top #PreMarket Losers
Atara Biotherapeutics Inc (NASDAQ: ATRA) shares dipped 37.38 percent to $20.79 after the company reported results from its Phase 2 proof-of-concept PINTA 745 clinical trial for protein energy wasting in patients with end stage renal disease.
GoPro Inc (NASDAQ: GPRO) fell 5.43 percent to $18.11 in pre-market trading. Morgan Stanley downgraded the rating on GoPro from Equal-weight to Underweight, while lowering the price target from $23 to $12.
Chesapeake Energy Corporation (NYSE: CHK) shares dipped 4.10 percent to $3.98 in pre-market trading after falling 8.99 percent on Friday.
E I Du Pont De Nemours And Co (NYSE: DD) shares fell 1.63 percent to $69.29 in pre-market trading. Jefferies downgraded DuPont from Buy to Hold.
Apple Inc. (NASDAQ: AAPL) shares tumbled 1.48 percent to $111.50 in pre-market trading. Barclays maintained Apple with a Overweight rating and lowered the price target from $155.00 to $150.00.
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