Durable goods orders tumbled 5.1% in December to weigh the markets down to a lower open with the Dow falling 62 points to 15,881. Nasdaq lost 18 points to 4,449.

On the upside

Under Armour (NYSE: UA) reported higher fourth quarter earnings and revenue that beat expectations and forecast 2016 revenue ahead of estimates.

The Food and Drug Administration approved Neos Therapeutics' (Nasdaq: NEOS) attention deficit/hyperactivity disorder treatment Adzenys XR-ODT for patients six years and older.

Amedica (Nasdaq: AMDA) will make four presentations for its proprietary silicon nitride composition at the Orthopaedic Research Society Annual Meeting in March.

On the downside

ServiceNow (NYSE: NOW) reported a loss for the fourth quarter and forecast 2016 revenue that missed expectations.

Juniper Networks (NYSE: JNPR) forecast current quarter results below expectations and announced the resignation of chief financial officer Robyn Denholm.

eBay (Nasdaq: EBAY) reported lower fourth quarter earnings and forecast current quarter results that missed estimates.

In the broad market, advancing issues outpaced decliners by a margin of nearly 6 to 1 on the NYSE and by 3 to 1 on Nasdaq. The broader S&P 500 climbed 16 points to 1,899. Bitcoin dropped $11 to $383.