Ann, Endo, Media General, Eleven Biotherapeutics and JA Solar are big market movers

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Ann Inc., up $7.69 to $46.40

The Ascena Retail Group is buying the owner of Ann Taylor and Loft in a cash-and-stock deal valued at about $2.16 billion.

Media General Inc., up 93 cents to $16.37

The television station operator said it is opening a new Washington, D.C., bureau and named Jim Osman as the bureau chief.

LeapFrog Enterprises Inc., down 11 cents to $2.08

The educational entertainment company delayed reporting its fourth-quarter financial results as it conducts a required asset test.

Nasdaq

Endo International PLC, down $4.58 to $80.77

The drug developer will spend about $8.05 billion to buy Par Pharmaceutical as it pushes further into the generic-drug market.

Eleven Biotherapeutics Inc., down $8.28 to $3.69

The biopharmaceutical company's key drug candidate failed to meet its primary goals in a pivotal late-stage clinical trial.

JA Solar Holdings Co., down 61 cents to $9.50

The solar power company reported better-than-expected first-quarter profit , but its revenue fell short of forecasts.

Altera Corp., up $2.51 to $46.93

The semiconductor company has resumed talks about a potential sale to Intel Corp., according to a report by the New York Post.

Veracyte Inc., up $1.36 to $10.63

The diagnostics company's potential lung cancer test gained some positive attention following the publication of study results.