Updated from 9:14 a.m.
was up 5.4% in midafternoon after
Morgan Stanley Dean Witter
raised its rating on the stock to outperform from neutral.
The network equipment company is expected to release third-quarter earnings after the close today. Analysts are expecting earnings of 2 cents a share on revenue of $4.69 billion.
a direct competitor with Cisco in network switches, also benefited from the Morgan Stanley's positive comments on the sector, rising 7.3%.
was up 3.3%.