Dow, S&P 500 end with gains up after bumpy week, but Nike drags

Dow, S&P 500 end with gains up after bumpy week, but Nike drags

By Caroline Valetkevitch

NEW YORK (Reuters) – The Dow and S&P 500 edged higher on Friday and ended a turbulent week with slight increases, helped by gains in Tesla and Facebook that offset a tumble by Nike.