Over the past few weeks, consumers have been stocking up on food and other essentials as the coronavirus pandemic continues to spread in the U.S.Many of us are seeing store aisles empty or extremely picked over, and have been forced go without certain items while in self-isolation because of panic-shopping.To try and help those most vulnerable or most at risk of contracting COVID-19 get food and supplies, some of the biggest retailer are now dedicating special store hours so that they can shop fully stocked shelves.Big box giants Target TGT and Walmart WMT are reserving weekly shopping time for seniors, and other grocery chains like Amazon AMZN-owned Whole Foods Market, Albertsons, and Kroger KR have committed to do the same.Discount brands Dollar General DG and Big Lots BIG are dedicating the first hour of business to those most at risk, while many smaller retail chains around the country are following in their footsteps.Looking for Stocks with Skyrocketing Upside?Zacks has just released a Special Report on the booming investment opportunities of legal marijuana.Ignited by new referendums and legislation, this industry is expected to blast from an already robust $6.7 billion to $20.2 billion in 2021. Early investors stand to make a killing, but you have to be ready to act and know just where to look.See the pot trades we're targeting>>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Target Corporation (TGT): Free Stock Analysis Report Amazon.com, Inc. (AMZN): Free Stock Analysis Report Walmart Inc. (WMT): Free Stock Analysis Report Big Lots, Inc. (BIG): Free Stock Analysis Report Dollar General Corporation (DG): Free Stock Analysis Report The Kroger Co. (KR): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research