The Swiss franc strengthened to an all-time high against the euro and the dollar amid deepening concern that the European sovereign-debt crisis will deteriorate, spurring demand for a haven. The franc, which also climbed to a record versus the pound, stayed higher after a report showed the nation’s leading economic indicator unexpectedly held at the highest level in almost five years this month. Luxembourg Prime Minister Jean- Claude Juncker, who leads the group of euro-area finance ministers, said yesterday that the International Monetary Fund may withhold aid for Greece next month as questions mount about how the ... (full story)