"This Element is an excerpt from Technical analysis plain and simple: charting the markets in your language, third edition (ISBN: 9780137042012) by Michael N. Kahn. Interpreting the non-price indicators that can uncover emerging trading opportunities. When the market goes one way and the supporting indicator goes the other, then something is happening beneath the surface. An early trading opportunity may be in the works. Listen to these indicators-every indicator tells a story"--Resource description page.