India, Nov. 3 -- Indian stock markets opened on an up note on Tuesday, November 3, with the Sensex and Nifty continuing their upward momentum for the fourth straight session on buying in blue-chip stocks across sectors such as banking, aviation, and others, even amid divergent trends in global markets and concerns about crude oil prices.

25 am IST, the BSE Sensex index was trading at 76,263.30, adding 570.52 points or 0.75% to its value. The NSE Nifty 50 index was trading at 23,587.80, adding 147 points or 0.63%.

An uptrend in the previous session paved the way for today's upstart. In the previous session, on Monday, November 2, the Sensex added 1,233.25 points, or 1.66%, to close at 75,692.78, while the Nifty 50 index closed at 23,440....