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Now Playing: 04-10-12 Marketplace Morning Report

It's been more than four years since the giant investment bank Bear Stearns collapsed, and the banking system is still in trouble -- but bank stocks have been soaring recently. Facebook is making its biggest purchase yet, as it gears up to go public. This Sunday is the 100th anniversary of the sinking of the Titanic, and Belfast, Northern Ireland is hoping to become the center of Titanic tourism.