although the company's profit is decreasing, repurchasing the share can increase the value of shares. the quantities of the shares will be decrease in the secondary market if the company buy back the share. it means that the earning per share will be increase. thus the value of share will be increase. u shouldnt buy any shares without analysis its financial statement. because the share price go up is relevent to the growth rate of the net profit. depsite there is a decrease in share price in a short period, it doesnt affect to the return for the long term investment.