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Now Playing: 05-18-12 Marketplace

So what happened in the first day of trading of Facebook's stocks? We cover the details in this week's Weekly Wrap. Meanwhile, Hewlett-Packard is laying off 30,000 of its employees, and Walmart shares are on the rise. Kai Ryssdal talks to millionaire venture capitalist Nick Hanauer about his TED talk on wealth inequality. And reporter Krissy Clark looks into whether private companies are well-suited to providing public aid.