The markets opened mixed with the Dow rising 14 points to 14,565 while Nasdaq slipped 7 points to 3210 as jobless claims unexpectedly rose.
On the upside
CombiMatrix (Nasdaq: CBMX) reported that prenatal testing surged by a preliminary rate of 124% in the first quarter.
Deutsche Bank upgraded Alcatel-Lucent (NYSE: ALU) to a Buy rating.
Best Buy (NYSE: BBY) will introduce Samsung Experience stores within 1,400 of its stores.
On the downside
Greenbrier Cos. (NYSE: GBX) reported lower second quarter earnings as revenue dropped.
Financial Times reported that Apple (Nasdaq: AAPL) removed items from its China iTunes store that are banned by the Chinese government.
Profit taking sank shares of Zynga (Nasdaq: ZNGA), whose stock price soared yesterday when social gaming site launched real money online gambling in Britain.
In the broad market, advancing issues outpaced decliners by a margin of more than 5 to 3 on the NYSE and by 9 to 7 on Nasdaq. The broader S&P 500 index added 2 points to 1556.