Transcript for Stock Market Jitters
First thing in the morning, baby boomers watching after a brutal week for their 401(k)s. The Dow Jones fell 568 points last week, down 3.5%. That's the worst week in two years. Opening tomorrow around 15,879. Tonight, I want to bring in ABC's chief business correspondent Rebecca Jarvis. Great to have you with us. You were saying, keep your eye on major corporations this week. We're going to learn a lot from them. Reporter: This is going to be a pivotal one. Some of the biggest companies in this country will be reporting their earnings. What the future holds at a lot of these companies. Amazon, apple, Google. They are in everyone's retirement savings account. So, what they say will have a big impact. A corp rate checkup. All eyes on the fed, because there's someone new on the way in. Reporter: There is. Janet Yellen is on her way in. The two of them are on the same page, they see the economy in a similar way. But we'll get a chance to hear how they see it for the very first time of the year. And Wall Street will be hanging on every single word. Words coming this week. Rebac rebec Rebecca, thank you.
This transcript has been automatically generated and may not be 100% accurate.