Centrais El ( EBR ) stock slumped 8.1% on Wednesday after a pick up in Brazilian inflation raised concerns about higher interest rates in the South American nation. Shares in the electric utility were last at $3.06 and within the 52-week range of $1.88 to $3.48 The Brazilian consumer price index rose 0.92% from February, and 6.15% from a year ago, closer to the 6.5% ceiling set by the central bank. Just last week, Brazil's central bank signaled it may end the tightening cycle, which started last April, said several media outlets.