see Dr Brett..he has written a lot of articles about breadth
sign up for Twitter and subscribe to receive his Tweets,,he talks about breadth all day ... Twitter is free and short messages are delivered to your home Twitter page for those you follow
if you want to follow me, for example..simply follow "smilinghiker"
I only issue a few Tweets a week..and they are only chart links from StockCharts.com real time extra