What you need to know on Wall Street today

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CEO departures can wipe out billions from a company's value — here are the Wall Street banks most at risk

Big banks and software companies are among the most exposed to "key man" risk, according to a recent note from Morgan Stanley.See the rest of the story at Business Insider

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• What you need to know on Wall Street today
• What you need to know on Wall Street today
• What you need to know on Wall Street today