Bitcoin was higher for a second day, staying in a range of between roughly $15,200 and $15,600, as news of progress in developing a coronavirus vaccine appeared to touch off a rally in U.S. stocks.

Bitcoin gained Wednesday while Ethereum 2.0 staking has been ramping up.

A senior analyst at U.S.-based financial giant Citibank has penned a report drawing on similarities between the 1970s gold market and bitcoin.

A Citibank managing director thinks bitcoin could hit $318,000.