European markets move lower after an inconclusive meeting late yesterday between Greek officials and its international creditors stoked further worries about a Greek debt fault and euro-zone exit. European Union leaders will also be confronting a “Brexit,” as well as an “Grexit” today as U.K. Prime Minister David Cameron prepares to use a summit to launch his campaign to renegotiate Britain’s EU membership. Media group Vivendi falls in Paris after disclosing it has lifted its stake in Telecom Italia, despite recently completing its exit from telecoms, while Swedish retailer H&M falls after posting disappointing earnings and warning of higher costs.