Baidu, Facebook, Emulex: Tech Premarket

NEW YORK ( TheStreet) -- Baidu ( BIDU) was a big winner before market open on Tuesday, boosted by its plan to acquire smartphone apps developer 91 Wireless.

The Chinese search giant announced on Tuesday that it signed a memorandum of understanding to buy a 100% interest in NetDragon subsidiary 91 Wireless for $1.9 billion.

Baidu shares rose 7.09% to $108.79 in premarket trading. The company was also one of the most active premarket Nasdaq stocks on share volume of 335,725.

Facebook ( FB) was a more modest gainer, rising 0.46% to $26.40. The social networking company was another active premarket stock on share volume of 346,499. ZNGA ( ZNGA), a key Facebook partner, was also heading northward, rising 1.97% to $3.62.

Tesla ( TSLA) shares, however, were off 1.46% at $125.40 in premarket trading.

Emulex ( ELX) was another laggard, falling 1.92% to $8.16 as investors digested the company's CEO transition and its preliminary fiscal fourth-quarter results.

Vodafone ( VOD) shares dipped 0.27% to $29.37.

--Written by James Rogers in New York.

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