[Musk updates social media account profile picture: wearing a dark "MAGA" hat] Golden Finance reported that on October 5, local time, American billionaire and Tesla CEO Musk updated his social media platform X account profile picture. In the new profile picture, Musk wore a dark "Make America Great Again (MAGA)" hat. Earlier that day, former US President and Republican presidential candidate Trump returned to Butler, Pennsylvania, where the "attempted assassination" incident took place, to hold a campaign rally. Musk attended and gave a speech, wearing a dark "MAGA" hat to publicly express his support for Trump. This is the first time Musk has participated in Trump's campaign after publicly supporting him.