Evaluating the Biotech ETF Rally

The SPDR S&P Biotech ETF (NYSEArca: XBI), one of the largest biotech ETFs, is getting in on the sector’s resurgence. XBI, an equal-weight fund, is up more than 40% year-to-date and multiple catalysts are stoking the biotech rally. “The industry’s sales and earnings growth had been slowing since...