Oil is not the only negative price coming to you

Minus prices are not uncommon, so why do our reactions generate such horror? The oil market has been one of the hardest hit by the coronavirus outbreak, with West Texas Intermediate prices going into negative figures for the first time in history on Monday 20th April 2020 (down to -$40.32 per barrel). Robin Hardin, writing in the Financial Times, explores the strange phenomenon of negative trading.