Sycamore Networks

(SCMR)

hit a 52-week low of $21 but rebounded and was up 3.3% in early afternoon.

Deutsche Banc Alex. Brown

cut its rating for the network equipment company to buy from strong buy.

Other network stocks were mixed.

Ciena

TheStreet Recommends

(CIEN) - Get Report

was down 8.6%.

Juniper

(JNPR) - Get Report

was down 4.4%. But giant

Cisco

(CSCO) - Get Report

was up 2% after sinking to a 52-week low of $27.81 early in the session.