Bond yields tumble as traders run to safety

Bond yields tumble across the globe as traders run to safety. Is the 'smart money' sensing danger in the markets? Plus, Janet Yellen and the Fed are back in the spotlight. Will they leave investors dazed and confused following June's policy meeting? And Apple's looking to get its mojo back with Siri in the driver's seat. We break down next week's big event. Catch The Final Round at 4 p.m. ET with Yahoo Finance editor-in-chief Andy Serwer; Erin Gibbs, equity chief investment officer at S&P Investment Advisory Services; and Thomson Reuters correspondent Bobbi Rebell, author of "How to be a Financial Grownup."