Oil Prices Surge. Short Interest Spikes. Look Out. - Barron's Skip to Main Content This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit www.djreprints.com. Oil Prices Surge. Short Interest Spikes. Look Out. By Avi Salzman Share Resize Reprints In this article USO CL00 Oil prices have jumped 50% ...