Stifel Downgrades MercadoLibre, Says It's Been A 'Buena Carrera' By: Benzinga via Benzinga May 12, 2015 at 09:46 AM EDT In a report published Tuesday, analysts at Stifel downgraded Mercadolibre Inc (NASDAQ: MELI) from Buy to Hold. The analysts expressed ... Read More >> Related Stocks: Mercadolibre Inc