Port operator APM Terminals, a unit of Denmark's A.P. Moller-Maersk, said it would sell a big U.S. container terminal to infrastructure investor Alinda Capital Partners and a British private pension fund. The companies, in a joint statement on Tuesday, did not disclose the price that Alinda and Universities Superannuation Scheme Limited will pay for APM Terminals Virginia, the deep-water terminal in Portsmouth, Virginia. The terminal, which APM describes on its website as the largest privately owned terminal in North America…