Fastly is trading 10.25% lower at $22.50, in line with broader software and technology weakness amid concerns over AI infrastructure financing. - The software ETF IGV is down 4.65%, while the Nasdaq is also lower. - No clear new company-specific catalyst has been reported; coverage points to concerns about financing costs and debt tied to the AI buildout. - Fastly’s recent Investor Day targets and AI security plans are background, not a clear explanation for this session’s drop.