Intro

Today's biggest winners and losers in the stock market.

On this episode of Stock Movers:

- General Motors’ (GM) first-quarter sales fell by 9.7%, with its Cadillac Escalade and Chevrolet Suburban large SUVs tumbling by double digits. Sales in March were down 17%, the company said. 

- Globalstar (GSAT) shares rose in pre-market trading after a Financial Times report that Amazon.com Inc. is in talks to acquire the satellite provider. 

- Shares in airlines and cruise operators are slipping as the prospects of higher fuel prices weigh on sentiment

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