(Reuters) -Online marketplace Etsy named insider Kruti Patel Goyal as its new chief executive officer on Wednesday, succeeding Josh Silverman, who has spent over eight years in the role. Etsy's shares, which have gained about 40% so far this year, were down nearly 7% in early trading, after the company also forecast muted gross merchandise sales (GMS) - a key metric - for the fourth quarter. A long-time Etsy executive, Patel Goyal, will take the helm on January 1, at a time when online retailers and mark ...