On the upside
Shares of discount apparel retailer TJX Companies (NYSE:TJX) rose on optimism for its $200 million purchase of Sierra Trading Post, in particular to boost online sales.
Shares of direct sales company Herbalife (NYSE: HLF) opened higher after eight straight losing session lifted by news of a stock buyback program.
On the downside
Pinnacle Entertainment (NYSE:PNK) announced plans to buy Ameristar Casinos(Nasdaq: ASCA) for about $869 million and $1.9 billion in debt.
Aegerion Pharmaceuticals (Nasdaq: AEGR) received FDA approval for its treatment of a rare cholesterol ailment despite possible risk of liver damage.
Shares of Alexza Pharmaceuticals (Nasdaq: ALXA) fell after the drug company received FDA approval for its treatment of schizophrenia and bipolar disorder.
In the broad market, declining issues outpaced advancers by a margin of 2 to 1 on both the NYSE and on Nasdaq. The broader S&P 500 index lost 4 points to 1425.