UK markets bet on post-election gyrations, calm for now

The cost of protection against overnight swings in the British pound jumped to its highest since the last parliamentary elections in 2010 on Thursday as Britons headed to vote in the most unpredictable poll for decades. A rise in currency and stock market option volatility indexes reflected uncertainty stemming from the vote, and Britain's top share index closed weaker than its European peers. Polls have shown the ruling Conservatives and opposition Labour Party neck-and-neck, making a "hung par