Sanmina (SANM) - Get Report was down 6.6% in midafternoon after the electronics manufacturing services sector was hit by negative comments from Merrill Lynch analyst Jerry Labowitz.

Citing channel checks and second-quarter sluggishness, Labowitz said it will be "difficult to achieve even

our conservative numbers

for the September and December quarters."

Labowitz downgraded five companies to intermediate-term neutral from buy, including Sanmina,

C-Mac Industries

( EMS),

Celestica

(CLS) - Get Report

,

Jabil Circuit

(JBL) - Get Report

and

Solectron

( SLR).

Flextronics

(FLEX) - Get Report

and

Plexus

(PLXS) - Get Report

were downgraded from intermediate-term neutral from accumulate.

All these stocks were struggling, with C-Mac down 8.3%, Celestica down 5.9%, JBL down 9.5%, Solectron down 8.4%, Flextronics down 7.1% and Plexus down 5.6%.