RE:IBB Pre-marketinvestatbest wrote: As of right now, IBB pre-market is showing a +1.5% uptick.
Let's see if the trend continues and perhaps we'll have some tangible evidence to confirm or refute claims being made about this particular ETFs having a significant relationship to the sp of CXR.
GLTYA
One day's action will not prove a correlation or negative correlation. You will have to use a much larger pool of data and a much longer timeframe to make a case for either.