Twitter shares up on CEO decision to step down
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Box raises forecast
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Regeneron shares halted
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The stocks impacted by new cholesterol drugs
Stocks to watch
Strong week for GoPro shares
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VIX hits one-month high
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Nasdaq retreats from all-time high
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Nasdaq closes at record high
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Decline in oil prices weighs on energy sector
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Goldman Sachs shares hit a 52-week high
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Big gains for Alibaba shares
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Down day for airline stocks
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Record high for Dow, S&P
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Down day for Shake Shack shares
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DuPont shares weigh on the Dow
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Gap shares move lower on decline in sales
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BlackBerry shares surge
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Bojangles shares surge in Wall Street debut
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Shake Shack shares plummet
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