Howard Marks, co-chairman and co-founder of Oaktree Capital Group, talks about using leverage in today's markets and what kind of returns investors should expect. Chris Ailman, chief investment officer at CalSTRS Investments, tells Pimm Fox and Lisa Abramowicz why he's been taking profit and de-risking assets and using private equity. Finally, John Butler, a senior telecom services and equipment analyst at Bloomberg Intelligence, talks about Sprint earnings and gives a preview of Apple earnings.