Bitcoin (BTC) drifted below $90,000 on Sunday during quiet trading, with investors showing limited appetite for risk ahead of a busy week of economic data and central bank events. The largest cryptocurrency was trading around$89,600 as of 12:40 p.m. UTC, down approximately 0.9% in the preceding 24 hours, marginally higher on the week, and still down roughly 7.6% over the past month. Ether (ETH) changed hands near $3,104, down on the day but up more than 2% over the past seven days, outperforming bitcoin ...