Over the past few years, a handful of high-profile companies saw their market caps top $1 trillion. Many of those stocks -- including , Nvidia, and Amazon -- were in the tech sector. Amazon, the top cloud infrastructure company, also became the first online retailer to join the 12-zero club.

Yet not a single brick-and-mortar retailer has joined that elite group. Could Costco Wholesale (NASDAQ: COST), with a market cap of $420 billion, cross that threshold in the near future?

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Source Fool.com