Good morning! Here's what you need to know in markets on Tuesday.

It’s one of the biggest dilemmas facing currency managers: how to protect against the fallout from the U.K. leaving the European Union without losing money should it vote to remain.

Keeping the status quo may well be what the British government wants after its June 23 referendum on European Union membership, but a sigh of relief in the financial world could bring its own short-term economic policy headaches.

The United States would not necessarily lose out if other currencies emerged as alternatives to the dollar's status as the world's so-called reserve currency, a top U.S. central banker said on Tuesday.

The dominance of financial centres such as London, New York and Tokyo in the $5 trillion-a-day global currency market may face challenges from landlocked cities as new technology erodes the advantage offered by high-speed undersea cables.