MUMBAI: The National Stock Exchange (NSE) has filed a Rs 100-crore criminal defamation suit against yet another online news portal India Samvad for publishing articles on algorithmic and high frequency trading (HFT).

"First, the NSE had claimed Rs 10 crore in damages but later they sent us a petition that they had filed in the Bombay High Court and it said that the exchange had sued us for Rs 100 crore for defamation," said Prabhat Chaturvedi, executive editor, India Samvad. "Curren ..