Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and Nasdaq Stock Market:
NYSE
Novartis AG, up 61 cents at $53.01
The Food and Drug Administration has approved its bone-building drug Reclast as a preventative treatment after hip fractures.
Verizon Communications Inc., up $1.98 at $38.96
It will buy Alltel Corp. in a $28.1 billion cash-and-debt deal, easily making it the largest U.S. cellular carrier.
Nucor Corp., up $6.40 at $80.54
The steel producer raised its second-quarter outlook above Wall Street's forecast on expectations for strong shipments and higher margins.
Smithfield Foods Inc., down $1.85 at $28.28
The nation's largest hog producer and pork processor posted a 94 percent drop in fiscal fourth-quarter profit, due in part to high grain costs.
Greif Inc., up 94 cents at $69.86
The industrial packaging company said its fiscal second-quarter profit more than doubled and raised its full-year outlook.
MBIA Inc., up 41 cents at $6.04
Moody's Investors Service said it may cut its 'AAA' rating on the bond insurer, a move that would hamper new business opportunities.
Continental Airlines Inc., up 70 cents at $15.20
It will slash 3,000 jobs, reduce capacity by 11 percent and not pay two executives for the rest of the year due to rising fuel costs.
NASDAQ
Tercica Inc., up $4.39 at $8.80
The biopharmaceutical company said it will be bought by French drug maker Ipsen SA in a cash-and-stock deal valuing it at $663 million.