It is a fascinating trend and US dollars are rushing back into our economy. This is part of the global landscape. Goods and services move back and forth seamlessly and so does cash. Wealthy investors from China are definitely interested in US real estate and are diving into markets with large amounts of cash. This combined with big Wall Street buyers has somewhat papered over the largely disappearing middle class in many of these areas. In large part this is how real estate values have continually moved up while household incomes have gone stagnant.