Citadel Securities LLC said it was the victim of the same alleged insider-trading scheme that rival Susquehanna International Group claims made more than $100 million on options bets placed ahead of a Chinese regulatory crackdown. Ken Griffin’s market-making firm late …
Critical PHP Flaws Spur Global Patch Effort, Temporary Shutdowns
A rush to update websites and protect against vulnerabilities in a widely used programming language continued into its second day, with researchers warning that hackers