U.S. stock futures and the euro fell almost 2 percent in early Asian trade on Monday as Greece looks set to default on its debt repayment this week, forcing Athens to impose capital controls to halt bank runs. U.S. stock futures dived 1.8 percent (ESc1), hitting a three-month low, while U.S. Treasuries futures price (TYv1) gained almost two points. A cash-strapped Greece looks certain to miss its debt repayment on Tuesday as Greece’s European partners shut the door on extending a credit lifeline after Greece’s surprise move to hold a referendum on bailout terms.