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Stock buybacks are popular with some, but others say they're a waste of money.
Nasdaq bring in cash from trades but also sells information and software.
Investors are twice bitten, thrice shy.
Economic hard times of the past.
It's been a wild week on the stock market. The causes are numerous–from Europe to ebola to weak economic growth in the United States. But what are the likely effects–beyond the markets themselves?
A look at the weird things and people that have caused markets to crash.
Google and Amazon compete on same-day delivery. And, turning a rookie poker chump into a champ.
'Moneyball' author says HFT traders skim away others' profits
Short selling has a bad rap. But it's been around as long as the markets have.
Companies are selling shares at the fastest pace since 2007.
