The public declaration, in an essay written for Bloomberg Businessweek, makes Cook the highest-profile business CEO to come out as gay.
BT saw its profits surge by 13 per cent in the second quarter as thousands more households signed up for its superfast broadband and sports TV.
Shell put arch rival BP in the shade after it rode out oil-price �volatility� and turned to US corporate veteran Chad Holliday to be its new chairman.
National Australia Bank, parent company of Clydesdale Bank and Yorkshire Bank, may be underestimating the amount of money it needs to set aside to compensate victims of mis-selling.
The United States Federal Reserve has called time on "quantitative easing" (QE), a policy that has pumped trillions of dollars into the US financial system.