China stunned the finance world last week when it unveiled plans to allow foreign control of its financial institutions. Few bankers thought their long-held dream of better access to the world's largest banking market was within reach. The likelihood, however, is that even fewer will rush to take advantage of that opening. In theory, foreign banks will be allowed to take larger stakes in their Chinese commercial peers - currently capped at 20 percent - while investment banks will be able to take control of their securities joint ventures. In practice, a combination of ...