Wells Fargo Securities LLC was sued for allegedly triggering as much as $800 million in losses at Chicago-based hedge fund LJM Partners Ltd. by forcing it to liquidate options contracts in 2018.

The hacking group behind the attack on ION Trading UK — the software firm that was struck by a cyberattack earlier this week, upending derivatives trading around the world — says a ransom has been paid.

A cyberattack in a little-known corner of the derivatives market has Wall Street’s biggest trading desks treading carefully in other markets unscathed by the incident, a sign of jitters pulsing through an industry on watch for such attacks.

Bank of America Corp. Chief Executive Officer Brian Moynihan’s total compensation declined 6.3% to $30 million for his work in 2022, a year in which profit tumbled and the shares sank.

The top US derivatives watchdog wants new cybersecurity rules as a recent attack on software company ION Trading UK continues to roil the industry.

A top US bank regulator has a message for large, complex lenders that keep failing to fix problems identified by the government: We can force you to divest.