. >> reporter: and history shows the market bounces back after these tumultious times. >> the big questionraging people to stay consistent, keep investing 15% of your income and stay clear. >> reporter: after all, it's your cash. >>> as an essential business grocery stores are taking steps to keep customers and employees safe. at this trader joe's in san jose, employees limited the number of shoppers in the store at one time and test the shoppers in, kept the shoppers in line at least six feet away from one another. some of us will need to visit a supermarket where social distancing is easily compromised by strangers. >> reporter: there are no guarantees that grocery customers or employees will not get the virus. but they know for their long-term survival as stores, if they don't do that, they'll not survive in the long-term. grocery shoppers are out there in force, doing their best to hunker down. some overdoing it to the max. an e-mail sent to mms of customers by albertson's outlines what that massive grocery holding company says it's doing to protect customers. illions of customers by a