One fund just doubled down on a beaten-down tax-tech leader—here’s what they may be seeing that the market isn’t.On November 14, California-based Tensile Capital Management disclosed a buy of 160,559 shares of Vertex (VERX +1.18%) in the third quarter. Despite the expanded stake, the market value of the position decreased by approximately $34.4 million, according to an SEC filing.What HappenedAccording to a Securities and Exchange Commission (SEC) filing dated November 14, Tensile Capital Management LP incr ...