Cummins ISB and QSB Engine Parts. Based on the Cummins B Series, the ISB engine was launched in 1998 and is available in 4 and 6 inline cylinder models. Design innovations include a 24-valve setup and the Interact electronic engine management system, both contributing to increased fuel efficiency and meeting emission regulations.
From 1920 to 1929, stocks more than quadrupled in value â not because of fundamentals such as corporate production and profits, but rather fueled by rampant speculation. The economic house of cards came to a screeching halt on Black Tuesday, October 29, 1929 when the bubble burst.
Stock Market Crash of 1929 - Many believe erroneously that the stock market crash that occurred on Black. Tuesday, October 29, 1929 is one and the same with the Great Depression. In fact, it was one of the major causes that. led to the Great Depression. Two months after the original crash in October, stockholders had lost more than $40. billion dollars. Even though the stock market began to regain some of its losses, by the end of 1930, it just was not.