Why London thinks it's taking the stuffing out of its longtime New York rival as the North Star of the financial world. Even though it is totally delusional.

To understand why London thinks it's beating New York in a race to become the financial capital of the world, walk across the Millennium Bridge toward St. Paul's Cathedral and count the number of cranes that clutter the skyline. The City, London's financial district, is in the midst of its biggest redevelopment boom since the Blitz, one result of the $100 billion in foreign investment pouring into the British capital annually.

The money is coming from the Middle East, Russia, India, China, and the U.S., and it's padding wallets, filling restaurants, pushing real estate prices through the roof, and fueling a feeling of self-confidence that spreads from coffee shops to Mansion House.

That's the ornate official residence of the Lord Mayor of the City and the scene of an annual black-tie dinner for bankers. This year's banquet in June seemed more like an Olympics celebration (yes, London beat New York in landing the 2012 games) as Gordon Brown, just days from becoming Prime Minister, rose to declare victory.

"Today over 40% of the world's foreign equities are traded here, more than New York," he said. "Over 30% of the world's currency exchanges take place here, more than New York and Tokyo combined. And while New York and Tokyo are reliant mainly on their large American and Asian domestic markets, 80% of our business is international." This is an era for London, Brown boasted, "that history will record as the beginning of a new Golden Age."

(Continue reading this story on CNN)

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