Mixed close as Greece engages ECB

The markets closed mixed with the Dow adding 6 points to 17,673 while Nasdaq lost 11 points to 4,716 as investors monitored discussions between Greece and the European Central Bank.

On the upside

One Horizon Group (Nasdaq: OHGI) will introduce its Aishuo app in China.

ClickSoftware Technologies (Nasdaq: CKSW) reported higher fourth quarter earnings and revenue.

Fourth quarter earnings and revenue climbed for Barrett Business Services (Nasdaq: BBSI).

On the downside

Gilead's (Nasdaq: GILD) announcement that it was cutting the price of its hepatitis C treatments sent shares of Achillion Pharma (Nasdaq: ACHN) tumbling.

Calix (NYSE: CALX) narrowed losses for the fourth quarter but the stock price dropped.

Planar Systems (Nasdaq: PLNR) reported higher first quarter earnings and revenue and announced plans to introduce a new transparent OLED technology at Integrated Systems Europe 2015 but the stock price fell.

In the broad market, declining issues outpaced advancers by a margin of 3 to 2 on the NYSE and by 9 to 7 on Nasdaq. The broader S&P 500 lost 8 points to 2041. Bitcoin slipped $3 to $223.