JPMorgan Creates ‘Volfefe’ Index to Track Trump Tweet Impact
The Twitter Inc. accounts of U.S. President Donald Trump, @POTUS and @realDoanldTrump, are seen on a hand-held device. (Photographer: Andrew Harrer/Bloomberg)

JPMorgan Creates ‘Volfefe’ Index to Track Trump Tweet Impact

(Bloomberg) -- Two of the largest Wall Street banks are trying to measure the market impact of Donald Trump’s tweets.
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