The key Indian equity indices opened on a negative note on Friday tracking weakness in the benchmark Asian markets.

At 9.40 am, the wider Nifty50 of the National Stock Exchange (NSE) traded at 10,642.50 points, down by 37.15 points or 0.35 per cent from the previous close of 10,679.65 points.

Similarly, the barometer 30-scrip Sensitive Index (Sensex) of the BSE, which opened at 35,144.96 points, traded at 35,020.85 points (9.40 am) – down 82.29 points or 0.23 per cent – from its previous session’s close of 35,103.14 points.

The Sensex has so far touched a high of 35,206.55 and a low of 35,008.20 points.