Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:
Avon Products Inc., up 77 cents at $20.96
The cosmetics maker said it's considering a buyout offer from beauty company Coty after it sweetened the deal.
Chesapeake Energy Corp., up 71 cents at $15.52
The Wall Street Journal reported that billionaire investor Carl Icahn has bought a significant stake in the natural gas company.
Concho Resources Inc., up $2.85 at $92.02
The oil and natural gas company said it will acquire the oil and natural gas assets of privately-held Three Rivers Operating Co.
Yahoo Inc., up 31 cents at $15.50
The Internet company's CEO, Scott Thompson, has left after coming under fire for the mention on his company bio of a degree he never received.
Francesca's Holdings Corp., up $1.58 at $25.61
The women's retailer fired its chief financial officer and raised its first-quarter outlook on better-than-expected sales.
Golfsmith International Holdings Inc., up $1.33 at $6.04
Canadian retailer Golf Town said it will buy the U.S. golf retailer for about $96.5 million, more than doubling Golf Town's store base.
Ancestry.com Inc., down $3.59 at $22.57
The online family history resource company said NBC canceled "Who Do You Think You Are," the TV program it was sponsoring.
Ventrus Biosciences Inc., up $1.62 at $12.58
The specialty pharmaceutical company said its diltiazem cream met its goal in a late-stage trial as a treatment for anal fissures.