Renaissance Technologies, the $65 billion hedge fund, is pushing back against federal regulators’ interest in highly-technical trading software out of concern that their source code wouldn’t be secure ...

It was only a matter of time before another banker, lured by the prospects of riches, would get busted on allegations of stealing source code connected to a high-frequency, stock-and-commodities ...

A former Goldman Sachs programmer—featured in the book Flash Boys—was convicted on Friday for stealing high-speed trading code from the bank. Sergey Aleynikov, 45, was also acquitted on one count of ...