Egg prices are on a roll. Grocery king Walmart is also dealing with headwinds from the sharp decline in egg prices over the last year and a half. The rise and fall of egg prices has done more than just weaken top-line sales for grocers. Hamory also pointed out that declining egg prices are not only impacting the revenue grocers take in but also their gross margins, which are a key measure of performance. “That means egg price competitiveness can ultimately determine which retailer wins or loses hundreds of dollars in annual household spend.”