Costco’s stock set up to fall after earnings, and that’s the time to

Shares of Costco Wholesale Corp. are likely to dip after the membership-based warehouse retail giant reports earnings, but that’s when investors should buy, said long-time bullish analyst Rupesh Parikh at Oppenheimer.

Parikh said after he spent time reviewing Costco’s prospects heading into the earnings release, he believes there is “limited earnings upside.” He said he also believes that after the stock’s recent outperformance, the “robust and accelerating [same-store sales] trends” reported in recent months are already priced…