Three Biotech Stocks Are Tumbling: VIVUS, Inc. (NASDAQ:VVUS …

Many individual investors have opted to invest in biotech ETFs and mutual funds. The XBI and SBIO funds have performed well because they focus more on small and mid-sized biotech companies. The IBB, which has emerged as something of a proxy for the industry for many investors, is weighted much more heavily to bigger, more proven biotech companies.The volatility of […]