Jane Street, Jump Pull Back Crypto Trading Over US Regulatory Uncertainty; Regulatory uncertainty has made the business more difficult; Scrutiny intensified in the wake of the FTX, TerraUSD failures Katherine Doherty and Yueqi Yang - Bloomberg Jane Street Group and Jump Crypto - two of the world's top market-making firms - are pulling back from trading digital assets in the US as regulators crack down on the industry. Jane Street is going even further by scaling back its crypto ambitions globally because regulatory uncertainty has made it difficult for the firm to operate the business in a way that meets internal standards, according to a person familiar with the matter. /jlne.ws/3HXNKvO