The price of Bitcoin has slumped below $40,000 for the first time in six weeks. The slide took place near the close of the day on Sept. 21, with BTC prices having drawn down by 16% from nearly $47,300 at the start of the day, to tag a local low of $39,650 at roughly 9pm UTC. The move marked a 25% retracement from BTC’s local highs above $50,000 on Sept. 7. However, the pullback comes after Bitcoin gained more than 80% since hitting $29,300 on July 20 and then heading into early-September’s highs. Bitcoin has since recovered to trade just above $42,000.