What is causing the market's wild overreactions?

Chuck Zodda and Mike Armstrong discuss what is behind the market's wild overreactions. Many baby boomers are going to sell their homes in the years ahead. The trick is to beat the crowd. The share of Americans who are mortgage-free is at an all-time high. Almost no one pays a 6% real-estate commission, except Americans. MBTA says it needs at least $24.5B to repair its troubled system. The New England Revolution stadium plan in Everett has hit a speed bumb.