Prepare for the pound to fall ahead of a vote on whether Scotland should break away from the United Kingdom and become an independent country. That’s what some analysts are saying in the rundown to the Sept. 18 referendum, even though the pound GBPUSD -0.04% has been on an upswing against the dollar of late. Sterling has been trading at levels not seen since 2008, as it flirts with $1.72. A strengthening U.K. economy has raised the possibility of an interest-rate increase from the Bank of England this year — and higher rates tend to boost the appeal of a country’s currency. Right now, most hedge funds and other large ... (full story)