https://news.google.com/rss/articles/CBMiaGh0dHBzOi8vd3d3LmNuYmMuY29tLzIwMjMvMDMvMTcvYmlnLWNoYW5nZXMtaW4tdGhlLXNwLTUwMC1mcmlkYXktaGlnaGxpZ2h0LXBvd2VyLW9mLWluZGV4LXByb3ZpZGVycy5odG1s0gFsaHR0cHM6Ly93d3cuY25iYy5jb20vYW1wLzIwMjMvMDMvMTcvYmlnLWNoYW5nZXMtaW4tdGhlLXNwLTUwMC1mcmlkYXktaGlnaGxpZ2h0LXBvd2VyLW9mLWluZGV4LXByb3ZpZGVycy5odG1s?oc=5
Big changes in the S&P 500 Friday highlight the power of index providers - CNBC