Nifty Bank index began today’s session lower at 59,133 versus yesterday’s close of 59,289. But it started to rally soon after opening and is now hovering around 59,570, up nearly 0.5 per cent.The advance/decline ratio stands at 10/2, indicating a strong bullish bias. Punjab National Bank and IDFC First Bank, up 1.5 per cent each, top the chart.On the other hand, IndusInd Bank (down 0.2 per cent) and Axis Bank (down 0.15 per cent) are the top losers in the Nifty Bank index.Nifty PSU Bank is up 1 per cent so ...