what owl said... also, typical day in crypto when investor guys are playing with millions like its a casino now. also how is 9 percent down plunging? its already back up to 8 percent down as I typed this., it can change wildly in no time with big money going in and out now.. also robot trading now, typical stuff.
They might be referring to coinmarketcap website opting to omit the Korean prices from the averages. Korean prices are typically at a premium, so by taking them out, the prices drop down to a more “real” valuation. This was highly irresponsible, as it most likely triggered weak hands to panic sell.