Coinbase Global, Inc (NASDAQ: COIN) was trading slightly lower Friday, in tandem with Bitcoin (CRYPTO: BTC) and Ethereum (CRYPTO: ETH), which were retracing over 3% and 5.5%, respectively heading into the weekend. The crypto trading platform has been holding more strongly than the crypto sector over recent days and on Thursday, Coinbase reached a 27-month high of $276.38, while Bitcoin continued to retrace from the March 13 and March 14 highs by about 10%. On Friday, JMP analyst Devin Ryan maintained a Market Outperform rating on Coinbase and maintained a $300 price target. The analyst has rec…