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Seconds are a lifetime in the murky world of high-frequency trading; Traders may have been cashing in from a fast feed of the BOE's interest rate rulings, says Lizzy Burden

Dec 20, 2019 - The Daily Telegraph (London)

Nobel prize-winning economist Paul Samuelson put his finger on the allure of high-speed trading in 1957: "In a world of uncertainty, I note the consequences of each changing event one second faster than anyone else. I make my fortune - not once, but every day that important events happen."

More than six decades on, speed is still of the essence. High-frequency traders - or HFTs - are profiting from gaining access to financial information fractions of a second before the competition. As one...