Broadcom (BRCM) was up 4.5% in early afternoon after Lehman Brothers upgraded it and Marvell Technology (MRVL) - Get Report, another communications chipmaker, to buy from market perform.

Marvell, which posted flat first-quarter earnings Thursday evening of 4 cents per share, was down 2.7%. Lehman also raised its price target on

Intersil Holding


to $45 from $25. Intersil was up 1.6%.

Analyst Arnab Chanda said these companies, which make chips for items such as cable set-top boxes, cable modems and local area network equipment, will outperform integrated circuit makers that supply the telecommunications industry.