One hundred and fifty million dollars buys a liner carrier a fairly large container ship these days. But it also apparently buys a nice chunk of one of the world’s largest lines itself. When the French government’s sovereign wealth fund, Fonds Stratégique d’Investissement (FSI), agreed in mid-October to plunge $150 million into the French liner carrier CMA CGM, it gave an interesting and infrequent insight into the value of a line these days. FSI’s investm...