The price actions of the US Nas 100 Index (a proxy for the Nasdaq 100 futures) have whipsawed in the past four weeks, it cleared above the 15,135 short-term resistance (also the 20-day moving average) as highlighted in our previous report but the bulls failed to make any headway above the 15,460/15,540 medium-term resistance and staged a weekly close below its 50-day moving average on last Friday, 15 September.