UK regulators fined Citigroup 61.6 million pounds ($78.5 million) for controls failings in its trading operations, one of the biggest sanctions for systems breaches, which in one case saw the Wall Street firm cause a sudden fall in European stocks. The Prudential Regulation Authority (PRA) and Financial Conduct Authority (FCA), the markets watchdog, both probed and fined Citigroup over the failings that spanned from April 2018 through May 2022, they said in a statement on Wednesday outlining the findings of ...