NEW YORK ( TheStreet) -- The maker of the Invisalign teeth straightening system, Align Technology (ALGN - Get Report) ended Wednesday's trading session down 3.8% to $20.37 after agreeing to acquire dentistry imaging company Cadent for $190 million.
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Palo Alto, Calif.-based cloud computing application maker Tibco Software (TIBX) rose 1.8% at $26.74 after edging past Wall Street's expectations for its fiscal first-quarter results. While Tibco's performance was ahead of the consensus view, the magnitude of the beat was only 5% vs. a 16% average beat in the previous eight quarters.
>> Tibco Software: After-Hours Trading
Wal-Mart (WMT - Get Report) rose 0.2% to $52.36 after a visiting positive territory as judges expressed skepticism about a large class-action lawsuit against the giant retailer over sex discrimination.
Phosphate and potash company Mosaic (MOS - Get Report) ended up 2% to $80.45 ahead of its third-quarter earnings report after the markets close Wednesday.
Chemicals company DuPont (DD - Get Report) added 1.4% to $55.37 after its subsidiary DuPont Denmark extended a $6 billion offer for food ingredients company Danisco to April 29 to allow for additional time to obtain regulatory approvals in the European Union and China. So far, shareholders representing a mere 6% stake in Danisco have accepted DuPont's offer, 90% short of the acceptances the buyer would have needed to meet its original offer closing date of April 1.
Drug company Cephalon (CEPH) is facing a hostile bid from Valeant Pharmaceuticals (VRX), which is offering $73 a share, a 24% premium to Cephalon's closing price Tuesday of $58.75. Cephalon shares surged 28.4% to $75.44 Wednesday. Shares of Valeant popped 12.8% to $50.08.
>> Valeant Goes Hostile With Cephalon Bid
Investment manager BlackRock (BLK - Get Report) advanced 6.6% to $198.84 as it replaces biotech company Genzyme (GENZ) in the S&P 500 after the markets close on Friday.
Discount store chain Family Dollar (FDO) fell 0.3% to $52.25 as investors took profits after the company reported second-quarter earnings of 98 cents a share. The earnings beat narrowly expectations by a penny. >>Search for Highest Dividends by Rate or Yield
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