Doo Group appears to be leaving LimassolOur weekly bulletin starts with an interesting developmentinvolving the Cyprus brokerage space. Doo Group’s retail and institutionalbrokerage arm, Doo Prime, appears to be vacating one of its two offices in Limassol following a series of staff layoffs.An employee told FinanceMagnates.com that staff had beeninformed the broker would leave the premises within two weeks. The groupconfirmed that it is “realigning its operational structure” and expressedappreciation to team members “for their dedication over the years.”Join IG, CMC, and Robinhood at London’s leading trading industry event!Retail traders lost £75M at finfluencer-promoted CFD firmIn the regulatory front, the UK’s Financial ConductAuthority (FCA) revealed this week that over 90,000 retail investors lost approximately £75 million at a single firm promoted by online “finfluencers.”Our Annual Report sets out how we've used data and technology to crack down on harm in financial services.Read more https://t.co/PV9ugNCd9d#FinancialServices #FinancialRegulation #Data #TechInFinance pic.twitter.com/DweFq2zcVo— Financial Conduct Authority (@TheFCA) July 10, 2025These influencers frequently push unregulated offshoretrading schemes, promising unrealistic returns through copy trading, managedaccounts, or paid trading tips. The regulator said it continues to combat suchactivity, having blocked 1,600 websites, removed 50 apps, and targeted morethan 1,500 finfluencers.XTB is considering exiting the Brazilian marketAt the same time, brokers in Brazil are facing stringent regulations. XTB is reconsidering its expansion into Brazil less than a year after obtaining regulatory approval, citing challenges linked to protectionistmeasures in the local brokerage sector. The Warsaw-listed fintech secured authorization in Februarybut has yet to commence operations, despite initially moving to join Brazil’slist of regulated institutions. XTB said it is “evaluating all potentialbusiness options, including the possibility of ceasing further operations inthis market.” Meanwhile, XTB reported weaker third-quarter results amid low market volatility. The company’s consolidated net profit fell 74%year-on-year to PLN 53.2 million, down from PLN 203.8 million in the samequarter of 2024. Revenue also declined 20.1% to PLN 375.8 million, withthe drop mainly attributed to lower profitability per CFD lot.Bank of England warns AI valuations mirror the dot-com eraIn the AI space, not everyone is optimistic. The Bank of England has warned that soaring valuations oftechnology companies linked to artificial intelligence resemble patterns seenduring the dot-com era, even as these firms generate substantial revenue.Here we see that breadth has collapsed since the last earnings season in the summer, but the market magically moved higher due to increasing concentration. And the same thing happened at the last top in February as well.These are the risks posed by AI to the markets and the… pic.twitter.com/lmdC2zwRdv— Mac10 (@SuburbanDrone) October 28, 2025The central bank has now cautioned that heavy investorconcentration in AI-related stocks could leave markets vulnerable if sentimentaround the technology shifts.Alongside its focus on AI-driven market dynamics, the BoEhighlighted broader concerns about financial stability, including high-profile UScredit defaults and the rapid growth of private credit.CySEC removes certification registers after scam abuseIn Cyprus, the financial regulator is grappling with a surgein scams. This week, it was forced to suspend public access to its certification registers after discovering that fraudsters were using thepersonal details of certified professionals to deceive investors. Certain individuals unlawfully used names and details fromtheir certification registers and published exam results to impersonatelegitimate investment professionals and deceive the public.Executive move: Alaa Kriedy joins Optimal Traders as MENA CEOOptimal Traders, a relatively new proprietary trading firm,has appointed Alaa Kriedy as CEO for its Middle East and North Africa operations, signaling its intent to accelerate growth in the region.Kriedy brings over 20 years of experience in financialservices, having led significant initiatives in business development,operational efficiency, and strategic partnerships across the MENA region.Bybit halts new registrations in JapanIn the crypto space, regulatory hurdles continue to limitgrowth for some players. Bybit will cease onboarding new users in Japan as of 31 October 2025. The restriction applies to both Japanese residents andnationals, while existing users will continue to have access without anyservice disruption.The exchange stated that the decision is part of its proactive approach to comply with local regulations and align with the evolving framework established by Japan’s Financial Services Agency. The exchange emphasized that currentcustomers in Japan will experience no immediate changes to the services theyuse.NVIDIA, Nokia stocks jump on $1B AI investmentAI is attracting significant investment and driving gains in related stocks. NVIDIA and Nokia stocks surged after NVIDIA announced a $1 billion strategic investment in the telecom company, coupled with an AI-networking partnership. The jump in share prices highlights investors’ confidence that telecoms will play a central role in the next wave of AI-driven growth.NVIDIA’s stock rose sharply following a flurry of product announcements at its GTC event, pushing the company’s market capitalization close to $5 trillion. The rally reflects strong demand for AI hardware, including GPUs and accelerators, as investors continue to bet heavily on the company’s leadership in the AI market.Amazon stock jumps 13%Lastly, Amazon’s stock surged 13% after the company reported third-quarter earnings that significantly exceeded Wall Street expectations.The firm posted earnings per share of $1.95 on revenue of $180.2 billion,surpassing analyst estimates of $1.58 and $177.8 billion. Amazon Web Services(AWS) contributed significantly, generating $33 billion in revenue, a 20% year-over-year increase, and marking its fastest growth since 2022. The rally came just days after Amazon announced plans to cutup to 30,000 corporate jobs, a move investors appeared to view positively as asign of cost discipline.Amazon to cut 30,000 corporate jobs — 9% of worldwide office workforce: report https://t.co/okUYJnBISe pic.twitter.com/grra8IkYhJ— New York Post (@nypost) October 27, 2025Amazon is starting a major layoff of up to 30,000 white-collar employees – nearly 10% of its roughly 350,000 corporateworkforce – while preparing to release its next quarterly earnings, with WallStreet closely watching the holiday season performance.This article was written by Jared Kirui at www.financemagnates.com.