Etsy (ETSY) shares soared 9.1% in the last trading session to close at $72.62. The move was backed by solid volume with far more shares changing hands than in a normal session. This compares to the stock's 15.9% loss over the past four weeks.Etsy extended its rally, driven by the latest appointment of Marc Steinberg, partner at Elliott Management, to its board. Marc Steinberg becomes the largest shareholder in Etsy as Elliott Investment Management holds 13% stake in the company.This online crafts marketplac ...