Group 1 - Bitcoin has experienced a decline for the third consecutive day, impacting the digital currency sector [1] - Proshares Bitcoin Strategy ETF has dropped by 4.3%, indicating a negative trend in the ETF market related to Bitcoin [1] - Major digital currency stocks such as Riot Platforms (RIOT.US) and Marathon Digital (MARA.US) have also seen declines of 3.6% and 3.7% respectively, reflecting broader market weakness [1]