A myriad of factors were in play and before giving you the punch line — let me the crash, this cancer successfully reached the marrow of our financial system and and the markets open up in a full blown panic not seen since October 1929. 12 Feb 2016 Yet just 100 years ago, diamonds had only just started to trickle into the cartel of the modern era—and after the stock market crash of 1929 hit 7 Jun 2018 Answer by John Roberson, stock trader, on Quora: Needless to say, as a new trader, I was eager to hear just how he had turned the corner! He made a fortune by calling the stock market crash of 1907, then lost it in a WWI and the Roaring Twenties and correctly called the 1929 Stock Market Crash.