Morning Movers: Groupon, HP, Amazon, Dish

Feb. 21 (Bloomberg) -- Bloomberg's Alix Steel, Adam Johnson, and Tom Keene highlight the news you need to follow for today's trading on Bloomberg Television's "Bloomberg Surveillance."
Is the World Ready to Do Business With Iran?
01:10 - Greylock Capital CEO Hans Humes discusses his outlook for doing business in Iran. He speaks on "Bloomberg Markets." (Source: Bloomberg)
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