Higher open ahead of Greek debt talks

The markets opened higher with the Dow gaining 60 points to 17,789 as Greece prepared to renegotiate a new debt agreement. Nasdaq rose 18 points to 4,744.

On the upside

Aeropostale (NYSE: ARO) lifted its fourth quarter earnings outlook and appointed Marc D. Miller to the position of chief operating officer and David J. Dick to the position of chief financial officer.

Anthera Pharmaceuticals (Nasdaq: ANTH) successfully completed an interim analysis of a Phase 3 study of blisibimod in patients with Systemic Lupus Erythematosus.

Bargain hunters lifted shares of National Bank of Greece (NYSE: NBG).

On the downside

Coupons.com (NYSE: COUP) fell to a loss for the fourth quarter and forecast current quarter and full year revenue that missed analyst expectations.

Biocept (Nasdaq: BIOC) priced its public offering of 8 million common shares at the discounted price of $1.25 per share.

RetailMeNot (Nasdaq: SALE) reported flat fourth quarter earnings and warned of lower first quarter earnings.

In the broad market, advancing issues outpaced decliners by a margin of nearly 7 to 3 on the NYSE and by nearly 7 to 2 on Nasdaq. The broader S&P 500 gained 6 points to 2053. Bitcoin slipped $4 to $216.