On the upside
Sales of Questcor Pharmaceuticals' (Nasdaq: QCOR) multiple sclerosis treatment Acthar climbed in the second quarter.
A Seeking Alpha contributor listed three developments indicating that Antares Pharma (Nasdaq: ATRS) would rise.
On the downside
Luminex (Nasdaq: LMNX) will acquire privately held GenturaDx for approximately $50 million in cash.
Shares of A123 Systems (Nasdaq: AONE) continued falling after announcing that it only had enough cash to fund operations for five more months.
News that Facebook (Nasdaq: FB) may enter the professional networking space with a job listing board sent shares of LinkedIn (NYSE: LNKD) tumbling.
In the broad market, declining issues outpaced advancers by a margin of 5 to 3 on both the NYSE and on Nasdaq. The Russell 2000 which tracks small cap stocks lost 3 points to 803.