Stocks have been volatile this week, but it looked as though bullish investors survived a key test of their resolve in recent trading sessions. The outlook seemed brighter in premarket trading on Friday morning, and futures contracts on the Nasdaq Composite (NASDAQINDEX: ^IXIC) were up slightly about an hour before the market opened.

Not all the news from Wall Street was good, as shares of Costco Wholesale (NASDAQ: COST) fell after the warehouse retail giant released its latest quarterly financial results. However, artificial intelligence (AI) stocks have been extremely popular lately, and one company in the space fed the flame of investor sentiment by issuing a favorable report for its most recent quarter. Read on to learn more about Costco and to find out the name of this AI stock winner.

Shares of Costco Wholesale were down almost 3% in premarket trading early Friday. The retail giant reported fiscal second-quarter financial results for the period ending Feb. 12 that raised some questions about the resilience of the U.S. consumer.

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Source Fool.com