LCA-Vision Inc. (NASDAQ-NMS:LCAV) (LCAV) shares added 19% after the company reported fourth- quarter earnings of $7.1 million, or 34 cents a share, up from a year-ago profit of $6.6 million, or 30 cents a share. Revenue jumped 26% in the latest three months to $58.8 million from $46.8 million a year ago. The Cincinnati-based provider of laser vision correction services also said it's increased its quarterly dividend by 50% to 18 cents a share from 12 cents. Looking ahead, LCA- Vision (NASDAQ-NMS:LCAV) forecast earnings of $2.05 to $2.15 a share for 2007 on revenue growth of 20% to 25%.

Medifast Inc. (NYSE:MED) (MED) shares added 20% after the company reported unaudited full year 2006 revenue $73.5 million, up 83% from $40.1 million in 2005. The Owings Mills, Md.-based provider of weight management products had previously forecast revenue of $70 million to $72 million.

Municipal Mortgage & Equity LLC (NYSE:MMA) (MMA) shares rose 11%. The company said late Friday it knows of no reason why recent trading in the stock has resulted in a decrease in price. Since Monday, shares of the real estate debt and equity financing concern have dropped almost 15%. MuniMae (NYSE:MMA) management noted that it is not engaged in sub-prime or any other single family mortgage lending activities, and that its outlook for the multifamily rental sector is positive.

Novelis (NYSE:NVL) (NVL) shares surged 13% after the company agreed to be acquired by Hindalco Industries Ltd. in a deal worth $6 billion, including debt assumption. The consideration values Novelis (NYSE:NVL) at $44.93 a share.

OmniVision (NASDAQ-NMS:OVTI) (OVTI) shares rose 7% Monday. The company unveiled a 5.17 megapixel auto-focus camera module for mobile handsets based on its OV5623 CameraChip sensor. The company also unveiled its TrueFocus camera with Wavefront Coding technology for the mobile handset market.

Onyx Pharmaceuticals (NASDAQ-NMS:ONXX) (ONXX) shares soared 97% after the company and Bayer ( BAY) said a Phase 3 trial of Nexavar to treat advanced liver cancer was closed early due to a positive outcome. Bayer and Onyx will stop the trial and allow all patients enrolled in this trial access to Nexavar. Given that there are limited approved systemic therapies for this disease, the companies will continue discussions with health authorities worldwide, including the U.S. Food and Drug Administration and European health authorities regarding the next steps in filing for approval for the treatment in advanced liver cancer. Nexavar is currently approved in nearly 50 countries, including the United States and in the European Union, for the treatment of patients with advanced kidney cancer.

WCI Communities (NYSE:WCI) (WCI) shares moved up 6.6% after the company said it's retained Goldman Sachs to assist it in identifying ways to increase shareholder value. The Bonita Springs, Fla. homebuilder said that it expects to generate $1 billion in free cash flow in 2007, and will look at asset sales to help reduce debt. Once the balance sheet is improved, the company will review strategic alternatives, including possible share repurchases are a sale of the company.

Webzen Inc. (NASDAQ-NMS:WZEN) (WZEN) shares added 9.3% after the company said it has signed a $ 35 million export license contract with China-based The9 Ltd. (NASDAQ-NMS:NCTY) (NCTY) for the massively multiplayer online game Huxley. The deal includes a down payment and a minimum guarantee for a three-year period, and sets the royalty rate at 22% for the duration of the contract.