Talk:Stock market crash
- from a related and endemic cause. An example would be the Great Depression, provoked by the stock market crash of 1929, or the less-drastic stock market deflation in the last decade, caused by the over-expansion of technology, or "blue chip," stocks, beyond their value or profit.
It also blames "over-expansion" of technology, as if engineering progress were somehow harmful. This might just be poor writing, and the author(s) may have only meant that technology prices had gone up too high.