Which of the following factors would increase the predictive power of the evening star pattern?

What would be the price objective for a head and shoulders pattern with a neckline at 63, top of the first shoulder at 72, top of the head at 96 and top of the second shoulder at 78?

A trend based trading system where signals occur when the current price reaches a new high or low:

The _______________ tracks the degree of mass participation in rallies and decline.

Which of the following is the reason behind choosing a logarithmic scale? Select the best possible answer.