Shares in Spanish travel technology firm HBX Group slid 20.3 per cent at the open on Wednesday and were on track for their worst day ever, after the group revised its full-year guidance as a result of the macroeconomic backdrop and a weaker U.S. dollar. The company downgraded its expected 2025 revenues to between 720 million and 740 million euros ($831-$854 million) from a previous guidance of 740 million to 790 million euros. It also revised down its total transaction value, now expected to