Rebounding crude oil lifts markets

The markets reversed course to trade higher during the midday with Dow gaining 43 points to 18,081 as crude oil prices rebounded. Nasdaq rose 14 points to 5,049.

On the upside

Medidata Solutions (Nasdaq: MDSO) reversed year ago losses to post a stronger than expected profit for the first quarter as revenue climbed.

Shares of Viggle (Nasdaq: VGGL) climbed for the fourth day straight on no news.

First quarter earnings slipped for AT&T (NYSE: T) but the company's wireless revenue grew.

On the downside

General Motors (NYSE: GM) reported higher first quarter earnings but the results missed analyst estimates.

Profit taking weighed down shares of Voltari (Nasdaq: VLTC).

Peabody Energy (NYSE: BTU) widened losses more than expected for the first quarter as revenue fell.

In the broad market, advancing issues outpaced decliners by a margin of more than 2 to 1 on the NYSE and by nearly 5 to 4 on Nasdaq. The broader S&P 500 rose 6 points to 2114. Bitcoin added $2 to $233.