Close attention needs to be given to China and its economy. To achieve this, I bring the attention to John Mauldin's Weekend Thoughts.
This will explain in greater detail why the U.S. dollar is maintaining its value (it was thought that printing over $700B+ would cause its currency to collapse...
...let it just be summarized as interwoven entanglement from globalization); how "growth" in China is possible; impact on commodity prices.
In this note, I defer to Zero Hedge's notes on Mauldin's newsletter accessible on the link below. ZeroHedge did a good job summarizing key points investors need to be aware of: