From warehouses to office space, real-estate markets are getting turned upside down. These are the must-know deals and key trends.

· Offices, hotels, and malls were emptied by the coronavirus. Even as they reopen, the disruption has many thinking we're looking at a new normal for how we occupy space. 
· Big firms are rethinking office needs — and some commercial real-estate deals are being put on ice as financing dries up. 
· A surge in e-commerce,...