Morning Movers: Wal-Mart, Brent Crude, Facebook

Nov. 15 (Bloomberg) -- Bloomberg's Tom Keene, Sara Eisen and Scarlet Fu highlight the news you need to follow for today's trading. They speak on Bloomberg Television's “Bloomberg Surveillance."
When Activist Investors Swarm Public Companies
24:54 - Peter Gleason, National Association of Corporate Directors (NACD) president, discusses activist investing and the top corporate board priorities with Bloomberg's Alix Steel and Scarlet Fu on "Bloomberg Markets." (Source: Bloomberg)
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