FT Vest U.S. Equity Buffer ETF – January (BATS:FJAN – Get Free Report) was the target of a large increase in short interest during the month of May. As of May 29th, there was short interest totaling 78,282 shares, an increase of 1,641.1% from the May 14th total of 4,496 shares. Approximately 0.3% of the [...]