| Wharton's Jeremy Siegel: 2018 is going to be tougher on the market Jeremy Siegel, University of Pennsylvania's Wharton School finance professor, discusses what's contributing to recent market highs. | Feedback We value your input—use our simple form to let us know what you think. Click here for Real-Time data and top stories on your desktop or mobile device. |
| |  © 2017 CNBC Inc. All Rights Reserved. 900 Sylvan Avenue, Englewood Cliffs, NJ 07632 |
| |