https://www.reuters.com/article/us-crypto-currency/bitcoin-rally-falters-just-short-of-50000-as-investors-take-profit-idUSKBN2AF05C >Bitcoin stalled just short of the $50,000 mark on Monday and other cryptocurrencies slipped, as investors took profit from a record-breaking rally that is being driven by a worldwide shift in investor and public attitudes towards digital assets.