Benzinga's Top Pre-Market Gainers

JDS Uniphase JDSU soared 7.34% to $11.70 in the pre-market trading. JDS Uniphase's PEG ratio is 1.59. Sears Holdings SHLD added 6.65% to $54.84 in the pre-market session. Sears is spinning off its Hometown and Outlet stores and some hardware stores into a separate public company. Groupon GRPN surged 4.84% to $7.80 in the pre-market session. Groupon is all set to report its Q2 eranings today. Acorda Therapeutics ACOR moved up 3.59% to $22.50 in the pre-market session. Acorda Therapeutics reported top line results of post-marketing commitment study exploring 5 mg Dose of Dalfampridine-ER.