Benzinga's Top #PreMarket Gainers

bluebird bio BLUE shares jumped 55.45% to $76.00 in pre-market trading on positive Lentiglobin Bb305 data. Wedbush raised the price target on the stock from $61.00 to $94.00. Mazor Robotics MZOR shares gained 9.33% to $13.24 in the pre-market trading session after the company received purchase orders for three Renaissance systems in Asia. Camtek CAMT shares rose 6.35% to $3.18 in pre-market trading after falling 3.54% on Monday. The company reported that it has been selected by a leading semiconductor manufacturer as the supplier of choice to provide systems for defect detection and metrology of advanced packaging applications. AutoZone AZO shares surged 2.06% to $593.00 in pre-market trading after the company reported stronger-than-expected results for the fiscal first quarter.