Hill, like Goepfert, is describing possible bounces that are short term in nature, not major market bottoms.

FORBES: Looking For The Pony In The Market's Dung Heap

Dare we point out that all four of those larger bars happened to mark major stock market bottoms?

FORBES: Connect

Double tops and double bottoms can often alert the investor to major turning points especially when they are observed in the weekly charts of a major market average or a key commodity like crude oil.

FORBES: Using Options to Trade Double Tops