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3M stock plunging on earnings miss, operating income fell in all business units

3M stock plunging after the company reported a lower-than-expected quarterly profit, slashed its forecast, and said it would cut 2,000 jobs. 3M is seen as a proxy for the health of the economy, but operating income fell in all 5 business units of 3M in its 1st quarter. Yahoo Finance's Brian Cheung joins Seana Smith.