By Saqib Iqbal Ahmed NEW YORK (Reuters) -The safe-haven dollar rose to a fresh four-week high against a basket of currencies on Monday, supported by fears of a global economic slowdown and bets on steep interest rate hikes by the U.S. Federal Reserve. Global financial markets continued to smart from Friday’s hotter-than-expected U.S. inflation data that led to a broad-based drop in risk sentiment and fuelled bets on even more aggressive policy tightening. On Monday, government bonds sold off and stock markets around the globe took a beating. “The USD extended its gains from Friday as risk cont…