Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:
NYSE
ConAgra Foods Inc., up 36 cents to $40.91
The packaged food company known for Chef Boyardee and Slim Jim is selling its private-label unit to TreeHouse for $2.7 billion
HP Inc., up $1.59 to $13.83
The former unit of Hewlett-Packard that focuses on products such as printers had its first day of trading as a separate company.
Chipotle Mexican Grill Inc., down $16.23 to $624
Health officials expect the number of people sickened by an E. coli outbreak linked to some Chipotle restaurants to grow.
The Clorox Co., up $3.76 to $125.70
The consumer products company reported better-than-expected fiscal first-quarter profit and revenue and an upbeat outlook.
Sprint Corp., up 12 cents to $4.85
The wireless communications carrier plans to slash spending in 2016 by up to $2.5 billion through a mix of cost cuts and layoffs.
Nasdaq
Dyax Corp., up $7.82 to $35.35
The biotechnology company focusing on rare genetic diseases is being bought by Shire in a deal worth an initial $5.9 billion
Constant Contact Inc., up $5.73 to $31.83
The digital marketing tools maker is being bought by online technology company Endurance International Group for $1.1 billion.
Towers Watson & Co., up $2.79 to $126.35
The human resources and risk management consultant reported better-than-expected fiscal first-quarter results.
This content appears as provided to The Globe by the originating wire service. It has not been edited by Globe staff.