7 reasons the stock market is so volatile

Published On: Mar 05 2013 09:37:41 AM CST   Updated On: Mar 05 2013 09:45:51 AM CST

Plunge! Rebound! Crash! Rally! Plunge again! Why is the U.S. stock market so volatile?

Volatile Stocks - Computer Trading
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6. Computer Trades Are Destabilizing -- With nearly 70 percent of stock trades now executed by so-called high-frequency traders that use super-smart and super-fast computers, the market's sharp moves are amplified.

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