Tuesday's Small-Cap Winners & Losers

Smith & Wollensky (SWRG) ballooned 45% after Landry's (LNY) offered to buy the New York-based restaurant operator for $7.50 a share. Smith & Wollensky shares were gaining $2.28 to $7.31. Landry's was up 26 cents, or 0.9%, to $30.45.

Zevex International (ZVXI) surged after the Salt Lake City-based medical equipment maker agreed to be bought by Moog (MOG.A) for $13 a share, with an $83.8 million maximum purchase price. The transaction will likely close in March. Zevex shares were trading up $3.40, or 36.3%, to $12.77. Moog was dipping 4 cents to $37.81.

Sinovac Biotech's (SVA) fourth-quarter sales soared 56.8% to $6.27 million, the China-based company said, and full-year revenue rose to $15.4 million, up 78.7%. The company attributed these gains to growing demand for its hepatitis A vaccine, Healive. Shares were rising 40 cents, or 17%, to $2.80.

FX Energy (FXEN) gained on word that its Winna Gora test well, located in central Poland, yielded gas flow in Rotliegendes-aged sandstone at a depth of about 3,500 meters. Shares of the company were up 99 cents, or 16.8%, to $6.89.

XTL Biopharmaceuticals (XTLB) jumped after the New York-based company inked a deal with Dov Pharmaceutical to develop Dov's Bicifadine drug, which treats neuropathic pain. XTL will pay Dov potential fees in excess of $134 million, including $7.5 million cash upfront, milestone payments of $126.5 million in stock or cash, and royalties. Shares were climbing 58 cents, or 17%, to $3.98.

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