Spread-changing orders and deletions affect stock prices

The first rule on the stock market is to buy low and sell high. Economists are well aware of how this behaviour changes the prices of stocks, but in reality, trades alone don't tell the whole story. Parties like banks and ...

Your Uber has arrived, on Wall Street

Uber's next stop is the stock market, where it hopes to pick up more investors willing to bet on a ride-hailing market brimming with potential and conspicuously lacking in profits.

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