What happened Shares of Costco (NASDAQ: COST) took a hit on Friday. The stock declined as much as 7.5% and finished the trading day down about 4.1%. The warehouse club stock's decline was likely primarily due to growing fears about the COVID-19 coronavirus' impact on the global economy. Image source: Getty Images. So what Highlighting the continued bearishness in the market on Friday, the S&P 500 index declined 0.8%, bringing the market's total decline this week to 11.5%. Shares of Costco tracked similarly throughout the week, falling about 12%. Some investors may have felt that it was a good time to take profits on Costco. Shares have risen sharply over the past year. Even including this week's pullback, the stock is up 29% over the past 12 months. This compares to the S&P 500's 5.8% gain over this same time frame. Now what Investors have high expectations for Costco, as same-store sales have consistently risen at robust rates. January same-store sales were up 6.6%. Costco will report its February sales and its fiscal second-quarter results next week, after market close, on March 5. 10 stocks we like better than Costco WholesaleWhen investing geniuses David and Tom Gardner have a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has tripled the market.* David and Tom just revealed what they believe are the ten best stocks for investors to buy right now... and Costco Wholesale wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of December 1, 2019 Daniel Sparks has no position in any of the stocks mentioned. The Motley Fool recommends Costco Wholesale. The Motley Fool has a disclosure policy.Source