Retailers are among 2019's worst stocks

Looking for more proof of just how hard it is for traditional retailers to compete in a world that's increasingly dominated by Amazon? Nordstrom and Gap are the worst-performing stocks in the S&P 500 so far this year.

More than 20 million children miss measles vaccine each year

It takes two doses of measles vaccine to protect children from the disease. A troubling new report from UNICEF finds that 2.5 million children in the United States and 169 million children worldwide missed out on their first dose between 2010 and 2017.