About Bitcoin By: TalkMarkets December 21, 2020 at 10:31 AM EST S&P 500 Index (SPX) 3709.41 gained 45.95 points or +1.25% last week after making another key reversal on Friday and another new intraday high at 3726.70. Read More >> Related Stocks: Bitcoin (Bitstamp) Bitcoin Composite Grayscale Bitcoin Trust Nasdaq ETF Russell 2000 Ishares ETF Ultrashort S&P500 -2X ETF VIX Vaneck Semiconductor ETF