Sign on facade at headquarters of Internet auction company Ebay in the Silicon Valley, San Jose, ... [+] California, March 15, 2019. (Photo by Smith Collection/Gado/Getty Images)Getty ImageseBay’s stock (NASDAQ NDAQ : EBAY) has gained roughly 19% YTD, as compared to the 9% rise in the S&P500 index. However, at its current price of $52, the stock is trading 6% above its fair value of $49 – Trefis’ estimate for eBay’s valuation. Amid the current financial backdrop, EBAY stock has seen little change, moving sl ...