The operator of one of the biggest hedge funds to launch this year also started with 2020’s deepest day-one staff.XN, led by Gaurav Kapadia, started trading on July 1 with more than $1 billion of commitments. It already has 22 employees, including alumni of big-name firms including Citadel, D.E. Shaw, Elliott Management and Soros Fund Management.The team also includes personnel who worked with Kapadia at former employer Soroban Capital,...