In 'What's Ahead on Wall Street' for the week of April 4, we've got several key companies we're watching on the earnings front. Towards the beginning of the week, we have Darden Restaurants (DRI - Get Report) and Walgreens Boots Alliance (WBA - Get Report) reporting, then midweek, we hear from Monsanto (MON) and Bed Bath & Beyond (BBBY - Get Report) . Thursday is a packed day with CarMax (KMX - Get Report) , ConAgra Foods (CAG - Get Report) and Rite Aid (RAD - Get Report) all telling us how they did in the latest quarter. One of the ones we'll be paying close attention to is Bed Bath & Beyond. TheStreet's U-Jin Lee reports from New York.