On the upside
Visteon (NYSE: VC) chief executive Don Stebbins resigned as of Friday, August 10, 2012 raising speculation that the company may be sold.
JMP Securities affirmed its Outperform rating on Alexza Pharmaceuticals (Nasdaq: ALXA).
On the downside
Retreating oil prices weighed down shares of Quicksilver Resources (NYSE: KWK) and SandRidge Energy (NYSE: SD). Nokia's (NYSE: NOK) market share dropped for 15.4% last year to 6.6% in the second quarter.
Standard & Poor's downgraded Molycorp's (NYSE: MCP) rating to a CCC+.
In the broad market, declining issues outpaced advancers by a margin of 5 to 3 on the NYSE and by nearly 9 to 7 on Nasdaq. The Russell 2000 which tracks small cap stocks slipped 2 points to 799.