A bitter legal battle at JPMorgan Chase has escalated sharply after senior executive Lorna Hajdini filed a defamation lawsuit against former banker Chirayu Rana, calling his claims that she treated him as her "s*x slave" entirely false, malicious, and fabricated. The countersuit, filed in New York State Supreme Court on Tuesday, marks Hajdini's first public pushback against allegations that have sent shockwaves through Wall Street.
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