Bunzl PLC (OTC: BZLFY ) posted a 39% gain in its full-year profit. Bunzl's pretax profit surged to GBP269.3 million during the year-ended December 31, 2012, up from GBP193.7 million, in the year-ago period. Its adjusted pretax profit rose to GBP323.9 million from GBP306.1 million. Bunzl's revenue climbed to GBP5.36