On the upside
Acquisition rumors lifted shares of OCZ Technology (Nasdaq: OCZ).
Rising gold prices lifted shares of Eldorado Gold (NYSE: EGO).
On the downside
Shares of RadioShack (NYSE: RSH) fell after Best Buy (NYSE: BBY) reported a sharp plunge in second quarter earnings. UBS affirmed its Buy rating on GT Advanced Technologies (Nasdaq: GTAT).
The lockup period for 52.7 million shares of Yelp (NYSE: YELP) expires on August 29.
In the broad market, declining issues outpaced advancers by a margin of nearly 9 to 7 on both the NYSE and on Nasdaq. The Russell 2000 which tracks small cap stocks eased a point to 815.