The markets closed higher with the Dow climbing 75 points to 15,376 despite a drop in consumer sentiment as investors welcomed news that Twitter filed for an initial public offering. Nasdaq rose 6 points to 3722.

On the upside

Bloomberg reported that ViroPharma (Nasdaq: VPHM) hired Goldman Sachs to review buyout offers.

B. Riley & Co. upgraded Oclaro (Nasdaq: OCLR) from a Neutral rating to a Buy rating.

Suntech Power (NYSE: STP) named Zhou Weiping to the position of chief executive and interim chief financial officer effective immediately.

On the downside

Marketo (Nasdaq: MKTO) priced its follow-on public offering of 6 million common shares at the discounted price of $35.50 per share.

Investors locked in profits on Midstates Petroleum (NYSE: MPO).

PVR Partners (NYSE: PVR) priced its public offering of 5.5 million common units at the discounted price of $23 per unit.  

In the broad market, advancing issues outpaced decliners by a margin of more than 5 to 3 on the NYSE and by 3 to 2 on Nasdaq. The broader S&P 500 rose 4 points to 1687.