The stock market is back within 2% of record highs, but one market expert says this strong performance is masking a major issue lurking under the surface.
Doug Ramsey, the chief investment officer at Leuthold Group, is focused on a "critical variable" he says is closer to a dangerous tipping point than most people realize.
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Now that the stock market has recovered from it's vicious December sell-off and climbed within 2% of a record high, it's...
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