ARTICLE SYNOPSIS ...Peaking of a grand supercycle by Robert J. Prechter Jr. For 13 years, A. J. Frost and I have made the case that a great ""fifth wave"" bull market--the termination phase of a longer term uptrend--was in force and that it would be followed by a bigger crash and bear market than those of 1929-1932. From this perspective, October 19,1987 was not an anomaly in the stock market. Certainly, it has entered the history books as the largest down day in Wall Street history, and one of the broadest. But it was typical market behavior, the normal resolution of a pattern wave analysts have observed hundred...