Booking Holdings falls as EU opens probe into Booking.com's fraud risks
** Shares of online travel company Booking Holdings BKNG.O down about 2% at $161 in early trading
** EU tech regulators are investigating whether Booking.com is doing enough to weed out fraudulent listings and phishing scams to comply with the bloc's online content rules
** The European Commission opens an investigation after reviewing Booking.com's risk assessment reports from this year and the previous three years
** The investigation focuses on fake listings, impersonation fraud and non-compliant accommodation offers, and Booking.com's efforts to mitigate related risks
** Booking.com says it was engaging constructively with the Commission
** "Security, trust and the protection of personal information are top priorities at Booking.com," a spokesperson for the company said
** Including session's move, shares down 24.3% YTD