Lawsuit, which includes a group of state attorney generals, says the delivery giant prohibits growth in the marketplace
Delivery service eyes competition with Instacart, others for low-income customers
Investors remain on sidelines amid concerns about growth potential and an uncertain economy
Shoppers at most ShopRite and The Fresh Grocer stores can now get live updates on their grocery deliveries
Orders are delivered via temperature-controlled Harris Teeter delivery trucks
IPO nets grocery-delivery specialist more than $420 million, per reports
The social media app may have taken the first shot at a pricing war
The company is also expanding its partnership with Aldi to offer on-demand alcohol delivery
Grocers also support Instacart IPO and rely less on third-party apps