AdvertisementAdvertisementBusinessA 3D-printed miniature model of Elon Musk and the X logo are seen in this illustration taken January 23, 2025. REUTERS/Dado Ruvic/Illustration13 Nov 2025 05:50PM Bookmark Bookmark WhatsApp Telegram Facebook Twitter Email LinkedInRead a summary of this article on FAST.Get bite-sized news via a newcards interface. Give it a try.Click here to return to FAST Tap here to return to FASTFAST MADRID :Spain's stock market supervisor has fined Elon Musk-owned social media platform X 5 million euros ($5.8 million) for failing to make sure that a cryptoasset company that used X for advertisements had authorisation to provide investment services.The fine, dated November 3, was published in Spain's official bulletin on Thursday.X, formerly known as Twitter, did not immediately reply to an emailed request for comment. The fine can be appealed before Spain's High Court.Madrid took steps to regulate the rampant advertising of cryptoassets in 2022, tasking the CNMV watchdog with vetting mass campaigns and making sure investors were aware of the risks involved."(CNMV has decided to) impose a fine on Twitter International Unlimited Company ... for failing to fulfil its duties to verify whether Quantum AI was authorised to provide investment services by the CNMV and whether Quantum AI was included in the list of entities warned about by the CNMV or by foreign supervisory bodies," the document said.($1 = 0.8575 euros)Source: ReutersNewsletterWeek in ReviewSubscribe to our Chief Editor’s Week in ReviewOur chief editor shares analysis and picks of the week's biggest news every Saturday.Sign up for our newslettersGet our pick of top stories and thought-provoking articles in your inboxSubscribe hereGet the CNA appStay updated with notifications for breaking news and our best storiesDownload hereGet WhatsApp alertsJoin our channel for the top reads for the day on your preferred chat appJoin hereAlso worth readingContent is loading...Expand to read the full storyGet bite-sized news via a newcards interface. Give it a try.Click here to return to FAST Tap here to return to FASTFAST