Blue Apron has a much bigger problem than Amazon

Shutterstock/Andrey_Popov Blue Apron finally went public Thursday, but the IPO didn't go quite as planned. The meal-kit delivery company priced its IPO at $10 a share, 40% below the maximum it sought. In its trading debut, the shares did absolutely nothing — closing at $10 after rising slightly earlier in the day. Many are blaming Amazon, which shook the grocery industry with its $13.7 billion offer to buy Whole Foods earlier this month, for raining on Blue Apron's big day. But investors shoul...