On the upside

Luna Innovations (Nasdaq: LUNA) extended its development and supply agreement with Intuitive Surgical (Nasdaq: ISRG).

Grubb & Ellis (NYSE: GBE) will acquire the 36,600 square foot Center for Neurosurgery and Spine in St. Cloud, Minnesota.

MAKO Surgical (Nasdaq: MAKO) reported sharply higher fourth quarter operating results that topped expectations.

On the downside

Genomic Health (Nasdaq: GHDX) reported higher fourth quarter revenue but the results fell short of estimates due to payment delays.

DCT Industrial Trust (NYSE: DCT) signed 3.1 million square feet of leases in the fourth quarter.

While second quarter earnings for Global Payments (NYSE: GPN) rose, the company offered a cautious outlook for the final two quarters of the year.

In the broad market, advancing issues outpaced decliners by a margin of 5 to 3 on both the NYSE and on Nasdaq. The Russell 2000 which tracks small cap stocks added two points to 644.