'Gangnam Style' Triggers 500% Stock Rally

A father-son connection to the “Gangnam Style” music video has triggered an almost 500 percent rally in shares of DI Corp. since mid-July in Seoul.
Top Photos: Rocky Wildfire in California
00:21 - Bloomberg's Vonnie Quinn highlights photos that illustrate top stories from around the world. She speaks on “Bloomberg Surveillance.” (Source: Bloomberg)
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