text: TMM to Sell 51 Percent Stake in TFM  NEW YORK (Reuters) - Mexico's Grupo TMM agreed to sell its  51 percent voting stake in Grupo Transportacion Ferroviaria  Mexicana SA de CV, or Grupo TFM, to Kansas City Southern  Industries Inc. for \$200 million in cash and 18 million shares  of stock, the companies said on Wednesday.