By Vicky McKeever, CNBC • Updated 2 hours ago NYSE Biden will seek an increase in the tax on capital gains to 39.6% from 20% for those Americans earning more than $1 million, according to multiple outlets. The April Markit purchasing managers' index, which tracks manufacturing and services activity, is set to come out at 9:45 a.m. ET. U.S. Treasury yields rose slightly on Friday morning, with investor focus on President Joe Biden's capital gains tax proposal. Download our NBC DFW mobile app for Apple or Android to get alerts for local breaking news and weather. The yield on the benchmark 10-year Treasury note rose to 1.558% at 4:50 a.m. ET. The yield on the 30-year Treasury bond climbed to 2.245%. Yields move inversely to prices.