The markets opened higher with the Dow rising 20 points to 15,274 as European markets rebounded. Nasdaq rose 7 points to 3473.
On the upside
Salesforce.com (NYSE: CRM) will pay a premium of approximately $2.5 billion in cash to acquire ExactTarget (NYSE: ET).
Piper Jaffray cited Infinity Pharmaceuticals' (Nasdaq: INFI) low price for recommending that investors purchase shares in the company.
A Seeking Alpha contributor recommended buying FuelCell Energy (Nasdaq: FCEL) ahead of the company's earnings release after market close on Wednesday.
On the downside
Dollar General (Nasdaq: DG) reported higher first quarter earnings and revenue but the discount retailer lowered the high end of its full year earnings outlook.
Astra Zeneca (NYSE: AZN) ended development of Rigel Pharmaceuticals' (Nasdaq: RIGL) rheumatoid arthritis medication fostamatinib due to disappointing trial results.
SAIC (NYSE: SAI) reported lower first quarter earnings that fell short of analyst expectations.
In the broad market, advancing issues outpaced decliners by a margin of more than 9 to 7 on both the NYSE and on Nasdaq. The broader S&P 500 index added a point to 1642.
