NEW YORK (TheStreet) -- The three major U.S. stock indices are moving lower on Monday. Alan Valdes of DME securities told TheStreet's Debra Borchardt the"big money" -- those who manage large sums of money -- have decided to sit on the sidelines so far this year. 

Strong performance in 2013 and possible uncertainty from the Federal Reserve on the horizon, giving these money managers no reason to rush into the market. He pointed out that a Monday note from Goldman Sachs suggests stocks could fall by as much as 10%. 

He noted volume has remained light. It's also a confirmation that many are choosing to stay on the sidelines and avoid the potential downside risk, for now. Valdes concluded that many market participants are in a wait-and-see mode. 

-- Written by Bret Kenwell in Petoskey, Mich.

Bret Kenwell currently writes, blogs and also contributes to Robert Weinstein's Weekly Options Newsletter. Focuses on short-to-intermediate-term trading opportunities that can be exposed via options. He prefers to use debit trades on momentum setups and credit trades on support/resistance setups. He also focuses on building long-term wealth by searching for consistent, quality dividend paying companies and long-term growth companies. He considers himself the surfer, not the wave, in relation to the market and himself. He has no allegiance to either the bull side or the bear side.

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