On the upside
Second quarter earnings for EchoStar (Nasdaq: SATS) more than doubled prompting an upgrade.
Mindray Medical International (NYSE: MR) reported higher second quarter earnings that topped estimates as revenue rose.
Rackspace Hosting (NYSE: RAX) reported second quarter earnings that rose as revenue climbed.
On the downside
RBC Capital Markets downgraded Petroleum Development (Nasdaq: PETD) after the company announced an offering of 3.8 million shares.
Second quarter earnings plunged for WSP Holdings (NYSE: WH) as crude oil prices tumbled.
American International Group (NYSE: AIG) sold its derivatives unit for more than $1.9 billion.
In the broad market, declining issues outpaced advancers by a margin of more than 5 to 2 on both the NYSE and on Nasdaq. The Russell 2000 which tracks small cap stocks lost 9 points to 562.