NEW YORK (
(FB - Get Report) shares dipped 2.19% to $27.64 before market open Tuesday after the social networking phenomenon received a downgrade from Bernstein Research.
The analyst firm downgraded Facebook to "market perform" from "outperform," citing uncertain potential upside for the stock, according to
Facebook shares closed down 1% during the previous trading session. The Menlo Park, Calif.-based firm was also the most active premarket Nasdaq stock on share volume of 525,982.
(ZNGA - Get Report), however, continued its recent momentum, gaining 1.63% to reach $3.73.
Shares of the social gamer have been on a tear recently, closing up 7% on Monday, boosted by last week's strong
and the possibility that New Jersey could legalize
The San Francisco-based firm was another active premarket Nasdaq stock on share volume of 419,196.
(BBRY - Get Report)
slipped 0.25% to $15.69 on share volume of 124,859.
(NTAP - Get Report)
, which reports its fiscal third-quarter results after market close on Wednesday, rose 0.76% to $35.63 on share volume of 90,200.
(AAPL - Get Report)
slipped 0.24% to $478.80 before market open on Tuesday as CEO Tim Cook prepares to take the spotlight at the Goldman Sachs Technology and Internet conference.
The Apple chief's comments at the San Francisco event will be closely
by investors, particularly following hedge fund manager David Einhorn's decision to
the tech giant. The
president wants his fellow shareholders to vote against Apple's proposal to do away with preferred stock, which he said restricts "the Board's ability to unlock the value on Apple's balance sheet."
Apple shares closed up 1.04% during Monday's trading.
will be live-blogging Tim Cook's keynote, starting at 9:45 a.m. EST.
--Written by James Rogers in New York.
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