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Bloomberg

Jane Street India Trades Show Blurry Line Between Arbitrage and Market Manipulation

By , Bei Hu, and Cecile Vannucci Save Was it egregious market manipulation or a legitimate trading strategy? That debate is consuming high-speed traders from Amsterdam to Hong Kong and New York, after India's market regulator accused Jane Street Group LLC of artificially influencing prices of stocks and futures to profit from massive options wagers. The case has put a spotlight on the sometimes hazy boundaries between illicit trading and routine activity like market making and arbitrage.