Actually, I went back to check the 5 year chart an
Post# of 96879
The number highest volume day was recorded on November 5th 2012 with 5.3 Million shares traded (That's approximately 133 Million shares pre-split). But today is a strong second place (approximately 128 Million shares pre-split).
We all know what happened after November 5th 2012, the stock ran for approximately 200x that pps within 7 months.