On the Scene: Two Explosions at Boston Marathon

April 15 (Bloomberg) -- Two "powerful explosions" reported at the Boston marathon the Boston Globe reports. Reuters reports that the Boston marathon headquarters have been locked down after the explosion. Adam Johnson and Trish Regan report on market reaction on Bloomberg Television's "Street Smart." Note: Footage may contain graphic content. (Source: Bloomberg)
Mila Kunis Helps Miner Become Top Emerald Producer
20:24 - Gemfields CEO Ian Harebottle discusses the gemstone business with Bloomberg's Pimm Fox on "Taking Stock." (Source: Bloomberg)
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