EMC

(EMC)

, the top data storage company, reversed an early slide and was up 1.4% in late morning.

EMC and other data storage companies fell at the open after

Network Appliance

(NTAP) - Get Report

issued a disappointing sales forecast. Network Appliance was down 16.9%.

Brocade

(BRCD)

, which makes switches for storage networks, was up 2.1% after opening sharply lower.