 Ladenburg Thalmann Financial Services Inc. decreased its position in LifeVantage Corp NASDAQ:LFVN by 19.9 during the fourth quarter, according to the company in its most recent disclosure with the SEC. The firm owned 3,226 shares of the companys stock after selling 800 shares during the quarter. Ladenburg Thalmann Financial Services Inc.s holdings in LifeVantage were ... 