QE ended October 2014 and the dollar never looked back.
This time as of today, the sharp rise in the dollar hasn't fazed the stock market. But in August 2015 the rising dollar yuan problem spilled over to the stock market. See the sharp rise. It was a sudden unexpected depreciation of the yuan by the PBoC. And stocks got slammed.
And note the sharp rise leading up to stock market being slammed in Jan & Fed of this year.