A Short Portrait. As this historical table shows, shorts were attracted to CTGI as flies to honey after Jan 15. They gorged on borrowed shares until Feb 29. Thereupon covered 68% of position by 14 Mar (fortnight of record highs) only to renew their borrowing w/gusto, as you indicate, providing turbocharge to future rallies. April 25 tells tale of short interest to April 15.