There are several catalysts that could push the company's shares higher, according to one pundit.Tuesday was a slow and largely unmemorable news day for Costco Wholesale (COST 1.84%). Still, the big retailer's stock landed comfortably in positive territory, rising by nearly 2% on the day against the S&P 500 index's marginal gain of 0.2%. A glowing analyst note about the company's current performance and looming future was a tailwind for that increase.More attractive products, more attractive companyBefore m ...