Negative signals have been sent by the International Monetary Fund (IMF). Once again it has revised the projection of world economic growth for next year. Where at first IMF was certain that the growth would be between 2.6-3.5 percent, now that's become a memory. In its announcement in the middle of December, IMF predicts that world economy will grow by 2.4 percent only. The economy in the United States (US) and in Japan will only be limpin