Captured on Video: Boston Marathon Explosion

April 15 (Bloomberg) -- Two "powerful explosions" rocked the finish line area of the Boston Marathon near Copley Plaza. Note: Footage may contain graphic content. Video via Vine/Twitter. (Source: Bloomberg)

What Did Fed's Janet Yellen Accomplish Today?
44:24 - Chair Janet Yellen said the Federal Reserve still expects to raise interest rates gradually while making it clear that continued market turmoil could throw the central bank off course from the multiple increases that policy makers have forecast for 2016. JPMorgan Asset Management's Philip Camporeale speaks on "Bloomberg Markets." (Source: Bloomberg)
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