As Bitcoin ([[BTC-USD]], +4.5%) hits new multiyear highs, crossing above $13.6K intraday, crypto plays are joining the rally.Marathon Patent Group ([[MARA]], +9%), Riot Blockchain ([[RIOT]], +4.7%) and HIVE Blockchain Technologies ([[HIVE]], +6.3%) are all gaining.Overstock ([[OSTK]], +2%) is also higher.Overstock shares are facing some technical pressure. After failing at a challenge of its 50-day simple moving average on Oct. 8, it's now almost 15% below that level. It's now about 7% above the 100-day SMA.Meanwhile, JPMorgan is launching its own blockchain unit.
