“A district court judge in the US has thrown out investor lawsuits against Barclays and a host of exchanges, dismissing claims that the bank rigged its “dark pool” trading venue in of high-frequency traders.

“The multi-district litigation was part of a litany of claims set off by Flash Boys: A Wall Street Revolt, Michael Lewis’s best-selling book published last year. In it, Mr Lewis argued that high-frequency traders were able to gain an unfair advantage because stock exchanges and “dark pools” — broker-run trading venues that allow buyers and sellers to swap shares with greater anonymity — had enabled those traders to obtain and trade on market data faster than other investors.”

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Read the full Financial Times article by Ben McLannahan here.