** Bitcoin and cryptocurrency related stocks jump as bitcoin rises for the eight straight day
** Bitcoin briefly broke above $40,000 as it looked at its longest winning streak since Dec 2020
** Crypto miners Riot Blockchain and Marathon Patent Group rise about 7%, respectively
** Among China-based cos, bitcoin mining machine maker Ebang International rises 6.1%, China-focused SO adds 5.3% and Future Fintech Group Inc up 5.2%
** Crypto-exchange Coinbase Global rises 2.7%, MicroStrategy Inc- a major bitcoin buyer - up 5.6%
** Overstock.com- an online retailer and blockchain tech investor - rises 0.7%
(Reporting by Medha Singh) ((medha.singh@thomsonreuters.com))
