ChatGPT recommended Oxford Nanopore Technologies and TPXimpact Holdings as top UK growth stocks for August, but the analysis overlooked key risks. Oxford Nanopore, which makes DNA sequencing devices, posted 24.2% revenue growth in 2025, yet it reported an adjusted EBITDA loss of £86.7m in 2025 and management lowered its medium-term growth guidance earlier this year, causing a double-digit share drop and a nearly 50% decline over the last 12 months. TPXimpact, which modernises public sector digital systems, showed a 54% jump in adjusted EBITDA after a three-year turnaround, but it remains a tiny penny stock heavily dependent on public sector spending, with top-line revenue growth of just 1% last year. The AI focused on exciting growth potential while missing these judgement-based risks.