Earnings news continued to weigh on investors. The markets traded mixed during the midday with the Dow falling 36 points to 16,378. Nasdaq gained 16 points to 4242.
On the upside
Luna Innovations (Nasdaq: LUNA) sold its shape-sensing technology for medical applications to Intuitive Surgical for up to $30 million.
Litespeed Management acquired an 8.1% stake in RadioShack (NYSE: RSH).
Super Micro Computer (Nasdaq: SMCI) reported sharply higher second quarter earnings that more than doubled to surpass analyst expectations.
On the downside
Iamgold (NYSE: IAG) disappointed with 2013 gold production that fell short of its forecast range.
Keryx Biopharmaceuticals (NYSE: KERX) will offer $90 million worth of common stock.
IBM (NYSE: IBM) reported higher fourth quarter earnings but revenue slipped to fall short of analyst expectations.
In the broad market, advancing issues outpaced decliners by a margin of more than 5 to 3 on the NYSE and by more than 9 to 7 on Nasdaq. The broader S&P 500 edged up a fraction to 1844. Bitcoin eased $28.47 or 3.04% to $936.00.