Hummgroup leads a mixed finance week as AMP and COG shares slide

• Hummgroup rose 15.66% after deciding to sell or close its loss-making Canadian business.
• AMP fell 12.60% after a sharp intraday move and pointed to weaker earnings from its Chinese pension investment.
• COG Financial Services dropped 10.23% despite a 53% rise in quarterly EBITDA.
• Macquarie’s first-half profit rose 50% as commodities trading activity increased.