Stocks that moved substantially or traded heavily Friday on the New York Stock Exchange and the Nasdaq Stock Market:
NYSE
ConAgra Foods Inc., up $4.25 to $43.37
Activist investor firm Jana partners took a 7.2 per cent stake in the packaged-foods maker and said it may start a proxy battle.
KB Home, up $1.41 to $16.37
The homebuilder reported better-than-expected quarterly profit, delivered more homes for a higher average selling price and said its backlog of orders spiked.
CarMax Inc., down $2.69 to $69.27
The used-car dealership chain reported better-than-expected first-quarter profit, but its revenue fell short of forecasts.
The Hershey Co., down $3.22 to $89.04
The chocolate and candy maker expects to cut about 300 jobs by the end of the year and lowered its revenue outlook for the year.
Nasdaq
Healthways Inc., down $3.13 to $12.40
The wellness program provider cut its annual revenue forecast, citing lacklustre income from a contract and other programs.
Office Depot Inc., down 7 cents to $9.09
The office supplies retailer said its shareholders overwhelmingly approved the company's $6.3 billion sale to rival Staples.
AirMedia Group Inc., up $1.50 to $5.02
The Chinese advertising platforms company received a $6 per share "going private" buyout offer from its CEO and other executives.
Finisar Corp., down $2.27 to $19.88
The fiber optic component supplier met Wall Street's profit expectations, but fiscal fourth-quarter revenue fell short.
This content appears as provided to The Globe by the originating wire service. It has not been edited by Globe staff.