Basically, when you examine Costco's valuation you can only come away with one take -- the stock is historically expensive.

Major grocery retailers are on tap after Target said higher produce prices from Trump tariffs could come in days. Costco earnings are due late Thursday.

January visits to club stores are up more than 7% from last year — double the increases for Walmart and Target — as bulk buying grows in popularity.

With strong growth and a resilient business model, buying or holding Costco stock ahead of its Q2 earnings could be a wise ...

Compare Walmart's conservative strength with Costco's unique metrics. Explore differences in store count, earnings, and ...

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The most you can lose on any stock (assuming you don't use leverage) is 100% of your money. But on the bright side, ...

The momentum trade has shifted to Walmart and Costco, with Costco's high P/E ratio and PEG ratio indicating a richly priced ...