NEW YORK (AP) -- Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:
Saks Inc., up 64 cents to $15.95
The luxury retailer is being purchased by the parent of Lord & Taylor for about $2.4 billion.
Omnicom Group Inc., down 36 cents to $64.75
Hits an all-time high of $70.50 before retreating. It is one half of a "merger of equals", the other half being Publicis Groupe SA, which together will form a $35 billion advertising behemoth.
Suntech Power Holdings Co. Ltd., up 3 cents to $1.44
Rallied with other Chinese solar companies after the European Union and China settled a prolonged dispute that had roiled the industry.
Michael Baker Corp., up $10.79 to $40.39
The Pittsburgh engineering company said it has agreed to be acquired by Integrated Mission Solutions LLC in a $400 million deal.
Perrigo Co., down $9.06 to $125.17
The U.S. pharmaceutical company will pay $8.6 billion to acquire Irish drugmaker Elan and it will move its tax residence to Ireland.
Chelsea Therapeutics International Ltd., down 25 cents to $2.82.
The comapany announced another delay in the review of its drug Northera, saying there are technical problems with its application to federal regulators.
Activision Blizzard Inc., up 81 cents to $8.27
The stock extended its gains after the announcement Friday that Vivendi SA would sell most of its majority stake, giving the video game company its independence.