Jabil Circuit

(JBL) - Get Report

was down 7.3% in early trading after

Lehman Brothers

downgraded the company and several other electronics manufacturers, citing the risky "current tech environment." Jabil was lowered to buy from strong buy.

Plexus

(PLXS) - Get Report

TST Recommends

and

SCI Systems

(SCIS)

were also lowered. Plexus was down 8.7%. SCI was down 2%. Lehman also cut

DDi

(DDIC)

to market perform from strong buy. It was down 3.7%.