Bitcoin BTC$103,064.19 is holding around $103,000 having rebounded from Wednesday’s sub-$100,000 level. The CoinDesk 20 Index (CD20) is up 1.8% in 24 hours. Still, the largest cryptocurrency remains in a technical downtrend from the Oct. 6 record high of $126,000, having formed a lower high at $116,000 as well as consecutive lower lows. The altcoin…