Weighing The Week Ahead: More Excuses For Selling?

 | Apr 08, 2012 01:48AM ET

Experienced traders understand that markets rarely move in a straight line.
 
Staying with a long and strong trend -- either up or down -- is often the most difficult trade.
 
We expect stair steps and corrections since fundamentals rarely support such rapid changes.The result is that as a move gets more extended, even traders who have played the trend are poised to react.
 
I have often cited Charles Kirk as the leading source for the trading perspective, and he also has many ideas for investors with a longer time horizon.His using a technique from Paul Desmond , classifies stocks as above or below their 200-day moving average, and also whether that average is rising or falling.He observes, "As a bull market approaches a top you should see a large percentage in the topping category (BR, fall) and right now only 3% of the S&P 500 members reside in this category."Here is a helpful table.