NEW YORK (TheStreet) -- Volume is dying.
For several years now trading volume of the S&P 500
1. Here is a chart showing the S&P 500's weekly volume since 2007. Notice the red line that cuts through it and the steady drop in volume since 2007:
2. Here is another chart showing the must-see drop in S&P 500 volume. This time it's depicted on a monthly basis. But perhaps even more importantly, notice that it is coinciding with the increasing pace of buybacks, which grew 50% in the first quarter: