Hedge funds and other asset managers have upped their short wagers on the yen to record levels, with bets on the currency reaching 173,000 contracts as of 16 April, the highest level seen since 2006, according to a report by Bloomberg.

Increased domestic scrutiny by Chinese regulators has prompted several of the country’s data-driven quant trading funds including MS Capital and DH Fund Management to ramp up their international operations, according to a report by Reuters.

Florida man Michael Wayne Williams has been sentenced to one year and one day in prison for using his hedge fund management company Highguard Capital as part of a years-long, multimillion-dollar Ponzi scheme.

High frequency trading firm Jane Street Capital failed in a bid to secure a temporary restraining order against Millennium Management from a Manhattan court on Friday as it looked to stop the multi-strategy hedge find firm using an allegedly stolen trading strategy, according to a report by the Financial Times.

Amid ongoing geopolitical tensions and inflationary problems, hedge funds have turned more bearish on global equities than at any other point so far this year, cutting their long positions and upping short bets, according to a report by Reuters.

The IMF has warned that a “concentration of vulnerability has built up” which poses a potential risk to wider financial stability, given that a small group of hedge funds now accounts for the vast majority of short positions in the US Treasury futures market, according to a report by Bloomberg.