On the upside
Roth Capital upgraded Nanosphere (Nasdaq: NSPH) to a Buy rating.
Thomson Reuters (NYSE: TRI) will pay a premium of approximately $625 million in cash to acquire FX Alliance (NYSE: FX).
On the downside
Profit taking sank shares of Patriot Coal (NYSE: PCX).
The Western Association of Schools and Colleges denied accreditation for Bridgepoint Education's (NYSE: BPI) Ashford University.
FBR Capital Markets downgraded SolarWinds (NYSE: SWI) to Market Perform from Outperform.
In the broad market, declining issues outpaced advancers by a margin of nearly 5 to 2 on both the NYSE and on Nasdaq. The Russell 2000 which tracks small cap stocks dropped 5 points to 801.