The 30-scrip Sensitive Index (Sensex) opened on a positive note on Wednesday during the morning trade session.

The Sensex of the BSE opened at 34,494.12 and touched a high of 36,521.47 and a low of 36,410.14 after closing at 36.444.64 on Tuesday. It is trading at 36,475.02, up by 36.63 points or 0.10 per cent.

On the other hand, the broader 50-scrip Nifty at National Stock Exchange (NSE) opened at 10,931.05 after closing at 10,922.75 on Tuesday.

The Nifty is trading at 10,931.05 in the morning.

But well before noon, the markets took a tumble.

At 10.35 am, the Sensex was trading at 36,419.05, down 25.59 points or 0.070 per cent. The Nifty was at 10,921.50 points, down 1.25 or 0.011 per cent.