One of the world's largest commercial real estate companies is going public. Commercial real estate giant Cushman and Wakefield filed for an initial public offering this week. It suggests the company is betting on continued growth in commercial real estate around the world and even more participation from institutional investors in the property market. Plus, Silicon Valley vet Scott McNealy has listed his Palo Alto home for almost $100 million dollars. It comes equipped with a gym and rock climbing wall, ice hockey rink, pizza room and putting green.