Barry Ritholtz, Columnist

The Three Most Important Words? 'I Don't Know'

If you don't understand an investment idea, you're not alone. The hard part is admitting it.

September 9, 2016 at 3:29 PM UTC

Barry Ritholtz is a former Bloomberg Opinion columnist. He is chairman and chief investment officer of Ritholtz Wealth Management, and was previously chief market strategist at Maxim Group. He is the author of “Bailout Nation.”

Understand? Uh, no.
Photographer: David Paul Morris/Bloomberg

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I don’t know what is going on at Theranos. I never had a clue.

I may be one of the few willing to admit it. This is a problem in both the technology and investment communities -- the simple inability to say “I don’t know.”