Booking Holdings faced downward pressure and intraday volatility primarily driven by escalating regulatory scrutiny across major global jurisdictions. The European Commission recently initiated a formal investigation under the EU Digital Services Act into Booking.com, probing potential compliance failures related to misleading listings, consumer phishing vulnerabilities, and transparency around paid search placements. This probe introduces legal risk, as statutory non-compliance could trigger fines relative to global annual revenue. Compounding European regulatory friction, the U.S. Federal Trade Commission has signaled potential enforcement action regarding affiliate partner advertising practices through its Priceline unit, further…