Qualcomm (QCOM) - Get Report was down 22.5% in midday trading after Deutsche Banc Alex. Brown downgraded it to buy from strong buy with five other wireless telecommunications companies. A report last night also suggested that Qualcomm may delay a wireless technology roll-out to Europe.
Deutsche Banc also downgraded
, which lost 10.4%,
, which slid 12.4%, and
, which fell 27.6%. Additionally, the firm cut
. DMC lost 2.5%, and Tekelec fell 8.5%.