Rising oil prices lift markets

Crude oil prices edged up to lift the markets to a higher close with Dow gaining 56 points to 17,958. Nasdaq climbed 23 points to 4,974.

On the upside

Shares of Carbylan Therapeutics (Nasdaq: CYBL) soared on its first trading day.

Shares of Voltari (Nasdaq: VLTC) surged again after billionaire investor Carl Icahn disclosed last week that he increased his stake in the mobile marketing and advertising solutions company.

The police shooting of an unarmed man in South Carolina lifted shares of digital video and surveillance technology firm Digital Ally (Nasdaq: DGLY).

On the downside

Investors locked in profits on Cheetah Mobile (NYSE: CMCM).

Shares of Nymox Pharmaceutical (Nasdaq: NYMX) continued falling.

Rite Aid (NYSE: RAD) stock retreated after the company forecast 2016 earnings yesterday that fell far short of analyst expectations.

In the broad market, advancing issues were on par with decliners on the NYSE while decliners edged out advancers by nearly 10 to 9 on Nasdaq. The broader S&P 500 gained 9 points to 2091. Bitcoin slipped $3 to $241.