Source: ilzesgimene / Shutterstock.com The bullish case is fairly obvious for Costco given current rates of inflation. 7 Best Robinhood Stocks to Buy on the Dip My point here is that Costco is a very solid firm based on its history of paying dividends. InvestorPlace - Stock Market News, Stock Advice & Trading Tips There are a few strong reasons to be bullish about Costco Wholesale (NASDAQ:COST) stock.