Bitcoin (CRYPTO: BTC) was dropping by about 2.5% on Friday, in tandem with the S&P 500, which was retracing after data released by the University of Michigan indicated growing expectations in May that inflation will remain stubborn. Ethereum (CRYPTO: ETH) and Dogecoin (CRYPTO: DOGE) were also trading slightly down but on lower-than-average volume, which indicates the local bottom may be in.