eBay (EBAY) has gained 34.1% year to date, outperforming the industry’s return of 10.6%. It has also outpaced the Zacks Retail-Wholesale sector’s rally of 11.3% and the S&P 500 index’s increase of 17.2%.The company has been benefiting from strength in its e-commerce business model. Growing momentum in its online marketplace, which engages numerous sellers and buyers, is a positive.Increasing demand for eBay’s refurbished products and strength across its collectible offerings are acting as tailwinds.Growth i ...