** Shares in Rexam Plc, the world's second-largest beverage can maker by revenue, slumped as much as 8.4 pct after the company said aluminum premium, Brazilian costs would increase in 2015.
** Stock is top loser on the FTSE-250 Midcap Index, with the shares tanking to their lowest in 16 months.
** Rexam told Reuters that a further surge in aluminum prices and rising energy costs in Brazil would hurt the company's earnings, and it was talking to its customers to raise prices to mitigate cost pressures.
** Rexam's Q3 overall global beverage can volumes rose 4 pct
** Rexam, which competes with U.S.-listed Ball Corp and Crown Holdings, is the only beverage can maker listed on the London Stock Exchange. (firstname.lastname@example.org)