Data storage company

McData

(MCDT)

climbed 4.3% in midafternoon.

Sector leader

EMC

(EMC)

has completed its distribution of 81 million McData shares and

Credit Suisse First Boston

said the resulting price weakness in McData represents a buying opportunity.

CSFB said its channel checks indicate continued strong demand for storage products.

EMC was down 3.9%.

Meanwhile,

Network Appliance

(NTAP) - Get Report

, another storage company, was down 7.3% after hitting a 52-week low of $34.50. The company is due to post earnings after the close.