Microsoft is facing a new antitrust complaint in Spain, filed by the Spanish Startup Association, which represents over 700 startups. The complaint, submitted to the Spanish antitrust regulator, accuses Microsoft of engaging in anti-competitive practices related to its cloud computing services. This action follows a recent EU complaint by a trade group, highlighting ongoing concerns over Microsoft's business practices in the cloud sector. Microsoft's stock was down 0.2% in pre-market trading following the news.