Dec 4 (Reuters) - The following are the top stories in the Wall Street Journal. Reuters has not verified these stories and does not vouch for their accuracy.

- OpenAI's Sam Altman has explored putting together funds to either acquire or partner with a rocket company, a move that would position him to compete against Elon Musk’s SpaceX.

- Micron Technology MU.O is exiting its Crucial consumer business to focus on large artificial intelligence and data center customers.

- A group calling itself DSPs for Equitable and Fair Treatment, or Deft, is organizing Amazon’s AMZN.O 2,400 delivery service providers to advocate better pay and terms.

- Smiths Group SMIN.L agreed to sell its security scanning unit, Smiths Detection, to CVC Capital Partners CVC.AS for $2.6 billion.

- U.S. President Donald Trump said he plans to roll back federal fuel-economy rules for passenger vehicles, his latest move to relieve the U.S. auto industry from mandates to build cleaner, more-fuel efficient cars.

(Compiled by Bengaluru newsroom)

((globalnewsmonitoring@thomsonreuters.com))