Shares of owner Vivendi VIV.PA sank 16.7%. Focus this week is also on policy meetings at a slate of central banks, including the U.S. Federal Reserve, with investors expecting some of them to indicate they were ready to ease their pandemic-era stimulus to combat high inflation. However, helping sentiment on Tuesday, travel-related stocks including British Airways-owner IAG ICAG.L, cruiseliner Carnival Corp CCL.L and InterContinental Hotels Group IHG.L jumped between 2% and 5% following the relaxation of U.S. travel curbs.