Nokia

(NOK) - Get Report

was down 11.5% in midmorning trading after the Finnish telecom equipment maker said it sold more than 128 million cell phones in 2000, below analysts' estimates of 130 million to 140 million.

Merrill Lynch

said it sees the volatility in Nokia as a buying opportunity. Other mobile phone companies were lower in sympathy.

Motorola

(MOT)

was down 3.2%.

Ericsson

(ERICY)

was down 6%. Makers of chips and components for mobile devices also fell, although they were bouncing from early lows.

RF Micro Devices

(RFMD)

was down 2.3%.

Texas Instruments

(TXN) - Get Report

was down 6.4%.

Triquint Semiconductor

(TQNT)

was down 9.7%.