Some consider this to be a myth, and that the American manufacturing industry has in fact increased. I'm not sure how this is being gauged. When I mentioned in another thread that there's been about an 80% drop in manufacturing in areas that I'm familiar with, one poster replied that a lot of that manufacturing is still being done in the US, but it's been moved to other locations and automated. Well, I don't really know. My impression is that America has been systematically deindustrialized, and that this is one very important source of America's economic problems.
If that's the case, then I see no hope of the general American economy reemerging in any strong sense. I see a continual decline in the general American economy, and a continual incline in the American financial sector, at least for the foreseeable future.