During the trading hours on Dec. 9th, based on one of my indicators, I called a gap-up for the next trading day (美股：准备好12/10的跳空高开?? Gap and Crap 2009-12-10 01:53:37).  Indeed, we got a gap-up on Dec 10th.

Today, I am using the same indicator to call a gap down tomorrow morning, Dec. 16th.  However, with the Fed day，tomorrow, I am not sure if this call would be right or not.  But I am willing to make my call here.  I almost forgot Fed, OMG, Fed...break the top range and take us to the moon, lollllllllll.  Everyone knows that 1) a gap unusually happnes on the FED day; 2) it shoulde be supposed to be quiet before the Fed announcement.  But the market has never been a lack of surprises, hasn't it.

Take a look the chart below, and the blue curve is CPC MA20 on the 30' chart.  As you can see it is reaching a decent low level as shown by the green circle, the levels （shown by pink circles) which produced the gap-down days or a fast move down within this "famous" trading range, so called "rectangle pattern" in the past 5 weeks or so.  It worked before, will it work this time???  Time will tell!!!