Market regulator Securities and Exchange Board of India on Friday said the movements in the stock market during the past two days were 'slightly unusual' and "we are keeping a close watch on the trading pattern."

"The movements in the market were slightly unusual and we are keeping a close watch and analysing the data," Sebi Chairman G N Bajpai told newspersons at the Bombay Stock Exchange.

"We will take action for any inappropriate movement," he said referring to the sudden volatility in the market.