Acampora coined the term mega-market to describe a bull market that lasts a minimum of ten years and a maximum of eighteen years with Dow gains of between 400 and 500 percent. In The Fourth Mega-Market, Acampora helps readers take advantage of the staggering performance of the market by examining three previous mega-markets in American history.

In an entertaining and straightforward style, and with a wealth of informative charts and graphs, he helps readers recognize patterns that can explain market performance, showing how to use technical analysis to "hear the voices" of the market. He offers valuable tips, such as how to spot and protect yourself from a correction; how psychology and politics influence the market; and how to analyze the performance of various market segments. Finally, he makes exciting predictions on just where the market will go and how it will get there, giving specific recommendations.