Trump and Clinton tax plans scare Wall Street

Frontrunners both threaten to scrap preferential treatment for private equity and hedge fund managers
MINNEAPOLIS, MN - DECEMBER 15: Democratic presidential candidate Hillary Clinton speaks at the University of Minnesota on December 15, 2015 in Minneapolis, MN. During the speech Clinton announced her counterterrorism strategy to protect the United States if elected President. Ten Minnesota men have been arrested and charged with attempting to join the Islamic State. (Photo by Stephen Maturen/Getty Images)
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US private equity and hedge fund managers are growing concerned at an unprecedented two-pronged assault from the Republican and Democratic presidential frontrunners, who both threaten to scrap a tax break worth billions of dollars to Wall Street.