How Westinghouse Air Brake Technologies (WAB) is poised to profit from the massive supply chain problems in the shipping industry. Bokeh Capital’s Kim Forrest explains. Docusign (DOCU) talks about the ethical line it won’t cross using customer data. Why work-from-home lifestyles are still challenging the Internet search business at Yext (YEXT). How Joann (JOAN) says it’s handling challenges posed by pandemic headwinds to its business. The Drill Down with Cory Johnson offers a daily look at the business stories behind stocks on the move. Learn more about your ad choices. Visit megaphone.fm/adchoices