The markets closed mixed with the Dow losing 44 points to 16,414 as investors monitored earnings news. Nasdaq climbed 28 points to 4225.

On the upside

Shares of Geron (Nasdaq: GERN) continued rising after a Seeking Alpha contributor wrote on Friday that Geron was undervalued.

Market Realist expects crude oil tankers to recover sending shares of Nordic American Tankers (NYSE: NAT) and Teekay Tankers (NYSE: TNK) higher.

Ironwood Pharmaceuticals (Nasdaq: IRWD) widened fourth quarter losses but the results were better than expected.

On the downside

LKQ (Nasdaq: LKQ) confirmed that Chrysler filed a patent infringement claim against the company and asserted that the suit was without merit.

Credit Suisse downgraded 3D Systems (NYSE: DDD) from an Outperform rating to a Neutral rating.

ZipRealty (Nasdaq: ZIPR) warned on Friday after market close that fourth quarter and full year revenue would fall short of expectations.

In the broad market, advancing issues outpaced decliners by a margin of nearly 2 to 1 on the NYSE and by 5 to 3 on Nasdaq. The broader S&P 500 gained 5 points to 1843. Bitcoin eased $1.00 or 0.10% to $968.00.