90 Seconds with Art Cashin: The Skeptics Are Still There

Tuesday, 19 Feb 2013 | 11:40 AM ET

CNBC's Bob Pisani and Art Cashin, of UBS, discuss the "positive feedback loop," where stocks go up for no apparent reason. Cashin says his frustration is that even though the markets have punched through key levels, people haven't come in from the sidelines.