Bank Nifty started the session with a gap down of 230 points at 15059.50 and made a high at 15533.45 which was due to a spike in the index. See more @
http://elitewealth.in/Admin/docs/MO-21-Jan.pdf
or
http://research.elitewealth.in/blog/volatile-and-choppy-decline-continues-in-nifty-daily-market-view/
