Home Depot (HD) flash crash on NYSE 18 November 2014

(MarketWatch) -- The New York Stock Exchange is cancelling all Home Depot (HD) trades executed at or below $93.33 between 3:55 p.m. and 3:56 p.m. Eastern. The component of the Dow Jones Industrial Average dropped as low as $86.52 before bouncing back, closing at $95.98. The NYSE didn't explain the sudden drop. The ruling only impacts trades made on the NYSE, though it doesn't appear any other exchange saw the same movement in Home Depot.