WHAT A BIG BLACKBERRY WIN CAN TELL YOU ABOUT INVESTING

"I want to emphasize this kind of win is extremely rare," says a portfolio manager

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NasdaqGS - NasdaqGS Real Time Price. Currency in USD

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79.17

-0.71

(-0.89%)

At close: 04:00PM EDT

79.03

-0.14

(-0.18%)

After hours:

07:33PM EDT