Trading stocks at an all time highs is usually a winning strategy. An all time high points to a stock which has the most positive fundamentals ever. Even thought the pullback rate is high, if correct risk management is utilized, investors can trade very well such events. The stock increased 2.12% or $0.07 on November 27, hitting $3.37. About 2.05 million shares traded hands or 19.19% up from the average. ProMetic Life Sciences Inc. (TSE:PLI) has risen 39.26% since April 27, 2015 and is uptrending. It has outperformed by 40.15% the S&P500.