Bitcoin spikes above $21,000: is the crypto bear market over ? By: MarketWatch January 14, 2023 at 11:02 AM EST Bitcoin, the largest cryptocurrency by market capitalization, has spiked above the the $21,000 mark on Saturday. Read More >> Related Stocks: Bitcoin (Bitstamp) Bitcoin Composite Grayscale Ethereum Trust (ETH) Common units of fractional undivided beneficial