Winners & Losers From Monday, August 25

Monday's top gainers:

Advaxis (NASDAQ: ADXS) +22.8% - Joins Merck to test prostate cancer treatment combination.

Burger King Worldwide (NYSE: BKW) +19% - In talks to buy Tim Hortons and potentially move company headquarters to Canada.

China Hgs Real Estate (NASDAQ: HGSH) +19% - Continued follow through from shanty rebuilding agreement.

Life Time Fitness (NYSE: LTM) + 16% - Management team initiated a process to explore a potential conversion of real estate assets into a Real Estate Investment Trust.

Bio Blast pharma Ltd. (NASDAQ: ORPN) + 13% - New outperform rating at Oppenheimer, price target of $32.

Top losers:

GrubHub (NYSE GRUB) - 8% SEC filing highlighting plans to sell 10 million shares in a secondary offering.

Media General (NYSE: MEG) - 6% Shares popped after selling $86 million in assets.

Molycorp (NYSE: MCP) - 7% Shares slid after downgrade from Euro Pacific.

Quicksilver (NYSE: ZQK) -5.7% After trading up six percent over the past week, profit takers may have stepped in Monday.