It is very rare to see a fresh breakout occur on such positive breadth as we saw Monday. In the past it has often led to a successful breakout. Below is a study that examines this.

A positive impact can be seen right away. And when looking out 4-5 weeks the risk/reward remains very favorable. The market is certainly very overbought and could pull back at any time. But this is one study suggesting there’s a good chance the current momentum begets more buying.