NEW YORK (AP) -- Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and Nasdaq Stock Market:
LeapFrog Enterprises Inc., down 80 cents at $8.35
Shares of the educational toy maker fell after retailer Toys R Us announced plans to launch its own tablet computer for children.
Hewlett-Packard Co., up 1 cent at $17.43
The technology company said that it is planning to cut about 2,000 more jobs than it had previously announced, to a total of 29,000.
Transocean Ltd., down $1.65 at $45.95
The offshore drilling rig contractor is selling 38 of its shallow water rigs to Shelf Drilling for about $855 million in cash.
Polaris Industries Inc., up $2.19 at $80.76
A Citi analyst said that sales of the company's all-terrain vehicles are strong, according to dealer checks the analyst did.
Sprint Nextel Corp., up 12 cents at $5.15
A Nomura Securities analyst upgraded shares of the cellphone company to "Buy" from "Neutral," saying that it is improving margins.
Talisman Energy Inc., up 24 cents at $14.41
The Canadian oil and gas company said that its president and chief executive agreed to step down, effective immediately.
Titan Machinery Inc., down $5.95 at $19.41
The farm equipment retailer posted lower-than-expected second-quarter net income and cut its profit prediction for the full year.
Geron Corp., down $1.62 at $1.28
The drugmaker ended an experimental study of its cancer drug imetelstat and said it doesn't expect it to succeed in a second study.