Top Stocks of the Decade

A company that started in Chicago more than 75 years ago with a single pinball machine is now the world's largest seller of slot machines
Andrew Holbrooke / Corbis

Bally Technologies, Inc. 5,965%
A company that started in Chicago more than 75 years ago with a single pinball machine is now the world's largest seller of slot machines. Bally's "gaming systems" appear in casinos around the world, and the firm's computer software helps to drive them.

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