https://www.reuters.com/article/fintech-crypto/bitcoin-soars-to-50000-again-on-institutional-demand-idUSKBN2GV10S >NEW YORK/LONDON (Reuters) -Bitcoin, the world's largest cyrptocurrency in terms of market value, rose on Tuesday, passing the $50,000 mark for the first time in four weeks and adding to gains this month on mounting institutional interest.