Bitcoin leads cryptocurrency selloff, down 9.7% on day at $16.922

Bitcoin led a broad cryptocurrency selloff on Thursday, dropping 9.7% to $16,933 after having hit its highest level in nearly two years earlier this week.

Other cryptocurrency also fell, with Ripple's XRP dropping 20.26% to $0.51 and Ethereum falling 13.16% to $500.8. Both currencies also hit highs earlier this week.