NEW YORK (

TheStreet

) --

Ericsson

(ERIC) - Get Report

was one of the big losers in premarket trading on Tuesday, slumping 1.73% to $9.63.

Last week, the Swedish telecom equipment maker announced that it is selling its fiber access assets to

Calix

(CALX) - Get Report

,

weighing

on the company's shares.

Ericsson was also the most active premarket Nasdaq stocks on share volume of 316,400.

Zynga

(ZNGA) - Get Report

, which closed down 6.42% on Monday, gained 0.33% to $3.07 before market open. On Monday, lawyers at

Morgan & Morgan

reminded investors

about an upcoming deadline in a class-action lawsuit against the social gamer.

The

Facebook

(FB) - Get Report

partner was also one of the most active premarket Nasdaq stocks on share volume of 80,815.

Apple

(AAPL) - Get Report

shares slipped 0.15% to $674.68 early on Tuesday as investors continued to digest the tech giant's recent

patent victory

over

Samsung

.

IBM

(IBM) - Get Report

, which announced a

deal

to acquire talent management specialist

Kenexa

( KNXA) for $1.3 billion on Monday, saw its shares dip 0.02% to $195.65 on Tuesday.

--Written by James Rogers in New York.

Follow @jamesjrogers

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