Nifty Bank index opened today’s session with a gap-up at 54,555 compared to yesterday’s close of 54,216. It is now hovering around 54,520, up 0.6 per cent, at the end of the first hour of today’s trade.The advance/decline ratio stands at 10/2, showing a considerable bullish bias. Canara Bank (up 1.8 per cent) is the top gainer followed by Punjab National Bank (up nearly 1.7 per cent).On the other hand, IDFC First Bank (down 0.4 per cent) and AU Small Finance Bank (down 0.4 per cent) are the losers in Nifty ...