Analyst said BHP Billiton may raise bidding price

An analyst group predicts that BHP Billiton may raise bidding price to 3.5:1 shares exchange rate. Another analyst said if BHP quit this bidding, its stock price may fell in a short time. However, its price will much higher than now in the following three years. Some other analyst show that the price is set up on the base of the potential evaluate to Rio Tinto.