Next week's presidential election could have a big impact on municipal bonds, according to Morgan Stanley. In that case, the federal tax exemption becomes worth more, said Dan Close, head of municipals at Nuveen. However, studies have shown a move of just a couple percentage points "doesn't really move the needle" for muni demand, Brandon said. The TCJA increased the AMT exemption and raised the income level at which the exemption would phase out. That's because banks and insurance companies in the U.S. own about a quarter of all outstanding muni bonds, he explained.

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Persons: Morgan Stanley, Donald Trump, Kamala Harris, Craig Brandon, Harris, Dan Close, Brandon, MOrgan Stanley, munis, Nuveen's, —, Close, Trump, Morgan Stanley's Brandon, Byron Anderson, He's Organizations: taxpers, AMT, Trump, muni, munis, Republican, Medicare, Democratic, AAA, Investments Locations: Nuveen, U.S