General Motors' U.S. sales slumped in the first quarter, trailing rival Toyota's - CNBC

GM's U.S. sales were down again on tight inventories, allowing Toyota to eke out a sales victory.

General Motors' first-quarter U.S. sales fell 20% from a year ago, in line with analysts' expectations, as ongoing supply-chain issues disrupted its production and kept dealers' inventories tight. B… [+1844 chars]

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