By Steve Blumenthal, CMG 

The speed at which stocks have dropped 10% (defined as a correction) two times in a short period of time has happened just three times in the last 100 years.  1927, 2000 and 2008.

This from Art Cashin yesterday, “Jason Goepfert, the outstanding pilot of SentimenTrader dug into his incredibly extensive files to uncover a rather rare condition.  He noted that the indices have had two 10% corrections in a rather short span. That has only happened three times in the last 100 years. Unfortunately, those occurrences were in 1929, 2000 and 2008.  As you may recall, those were...