bed-and-breakfasting
n.— «Another tactic, if an investor thinks a company is fundamentally sound but wants to crystallise the loss, is to sell in June and buy the same stock back in July, a practice known as bed-and-breakfasting and strictly forbidden by the Tax Office.» —“Treasure hunt” by Barbara Drury Sydney Morning Herald (Australia) July 10, 2006. (source: Double-Tongued Dictionary)