Investors are dusting off the rising-dollar playbook. The U.S. currency hit its highest level in three weeks on Monday, reflecting expectations that the Federal Reserve could increase short-term interest rates as soon as next month. Higher rates make dollar-denominated assets more attractive. Bets on a stronger dollar stood at $7.18 billion in the week ended Aug. 23, down from nearly $15 billion in late July, according to data from the U.S. Commodity Futures Trading Commission and Scotiabank. Investors are "underexposed to the U.S. dollar right now," said Shaun Osborne, chief FX strategist at Scotiabank. Any large ... (full story)