Stock Markets world over are full of surprises. Its a skill to trade in the stocks. Markets do wonders with its irrational reactions to some news. What are the information that markets world over trade upon? What may be the magnitude of such reactions? This work attempt to address these questions. This book will be a good key for investors to form the foundation of their research. This study will provide a base for value investors. This study will also be attracting academicians for serious research around stock price behaviour.