At the open: Dow flat, TSX gains

gained 55 points or 0.4 per cent, to 13,650. Johnson & Johnson rose 1 per cent, Caterpillar Inc. rose 0.7 per cent and Bank of America Corp. rose 0.5 per cent. However, Verizon Communications Inc. fell 1.1 per cent and Procter & Gamble fell...