Stock Market Crash

Stock market crash

A stock market crash is a sudden dramatic decline of stock prices across a major cross-section of a stock market, resulting in a significant loss of paper wealth. Crashes are driven by panic selling and underlying economic factors. They often follow speculation and economic bubbles. A stock market crash is a social phenomenon where external economic events combine with crowd psychology in a positive feedback loop where selling by some market participants drives more market participants to sell. Generally speaking, crashes usually occur under the following conditions: a prolonged period of rising stock prices and excessive economic optimism, a market where price–earnings ratios exceed long-term averages, and extensive use of margin debt and leverage by market participants.

Data Source : Wikipedia

• Entity:  Infobox

• Wikidata description:  Sudden Dramatic Decline Of Stock Prices Across A Significant Cross-Section Of A Stock Market
• Wikidata label:  Stock Market Crash
• Wikidata aliases:  Stock Market Crash, S&P509

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