May 6 (Reuters) - TransCanada Corp TRP.TO :
* TRANSCANADA SAYS AT OPEN OF MARKETS ON OR ABOUT MAY 9 CO WILL COMMENCE TRADING UNDER NEW NAME - SEC FILING
May 6 (Reuters) - TransCanada Corp TRP.TO :
* TRANSCANADA SAYS AT OPEN OF MARKETS ON OR ABOUT MAY 9 CO WILL COMMENCE TRADING UNDER NEW NAME - SEC FILING