By Sergio Goncalves LISBON (Reuters) – Portugal’s largest listed bank, Millennium bcp, posted on Monday a 63.4% jump in nine-month net profit thanks to a robust rise in core income stemming from policy rate hikes and despite losses at its Polish subsidiary. The lender netted 97.2 million euros ($96.1 million) between January and September, up from 59.5 million euros a year earlier. Profit in its domestic business more than doubled to 295.7 million euros. Its half-owned Polish subsidiary, Bank Millennium, last week reported a nine-month loss of 270.5 million euros as it counted the cost of loan…