Seattle-based biotech firm Omeros ( OMER) was tumbling 35% to $5.20 after reporting disappointing late-stage clinical trial results.
>> Omeros, EXFO: After-Hours Trading
Online employment services company Monster Worldwide ( MWW) was rising 3.3% to $16.42 after a surprising improvement in U.S. nonfarm payrolls was reported for March.
>> Stock Market, April 1: What's on Tap
Allied Irish Banks ( AIB) jumped 17.1% to $2.81 in early afternoon trading and is expected to trade in a volatile manner throughout the trading session Friday after stress tests of Ireland's banking sector indicated that it needs €24 billion ($34 billion) more in cash and a major overhaul.
>> Ireland's Banks Volatile After Stress Tests
Nasdaq OMX ( NDAQ) was rising 6.9% to $27.61 and IntercontinentalExchange ( ICE) was down 3.7% to $118.94 after the exchange companies jointly proposed to buy NYSE Euronext ( NYX) for $42.50 in cash and stock, or about $11.3 billion. The proposal represents a 19% premium over the price proposed by Deutsche Boerse and a 27% premium over NYSE Euronext's stock price on Feb. 8, the day before NYSE Euronext's announcement that it was in discussions with Deutsche Boerse. NYSE Euronext was surging 12% to $39.40.
>> Nasdaq, ICE Outbid Deutsche Boerse for NYSE
Digital products company Logitech International ( LOGI) was tumbling 17.6% to $14.94 after lowering its outlook for fiscal 2011 operating income to the range of $140 million to $150 million, down from the previous range of $170 million to $180 million. Sales forecasts were lowered to the range of $2.35 billion to $2.37 billion, down from the previous range of $2.40 billion to $2.42 billion. On average, analysts were expecting full-year sales of $2.41 billion.
Office supplier Office Depot ( ODP) was falling 11.5% to $4.10 after announcing the restatement of 2010 financial results following the Internal Revenue Service's denial of a tax claim by the company.
Ocean transportation company Alexander & Baldwin ( ALEX) was popping 17.3% to $53.54 after it was reported to have had a roughly 9% stake bought by Pershing Square Capital Management. >>Search for Highest Dividends by Rate or Yield
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>> Futures Rise Ahead of Payrolls Report