Global stock markets weakened today after strengthening the session before on news that the debt ceiling in the USA would most likely be raised successfully. Why? Fundamentally, raising the debt ceiling means that the USA would not default and they will be able to continue paying their bills. Sounds like a good thing. However, closer at hand are still many problems which are worrying Mr. Market. 1. US credit rating could still suffer a downgrade. This could make borrowings more expensive. 2. Manufacturing has weakened in global economies. This could make debt problems worse. Read full article here. 3. With all eyes on China as the bastion of economic prowess, news that its manufacturing growth slowed in July tempered sentiments. Read full article here. In response to a reader who said that the USA is the strongest country in the world since the day he was born, I put forth ......