Revenue Weighted ETF Provided Buffer Amid Biotech Tumble
April 01, 2014 at 14:58 PM EDT
Although the health care sector is the third-largest in the S&P 500, occupying 13.3% of the benchmark U.S. index’s weight, the biotechnology sub-industry is not a big part of the S&P 500’s weight. Last month, that proved to be a good thing because as the iShares Nasdaq Biotechnology ETF...