** Crude prices turn negative after U.S. President Trump said Iran has reached out and wants to negotiate
** Brent crude futures LCOc1 down 0.2% at $74.31/barrel; U.S. West Texas Intermediate crude CLc1 down 0.1% at $74.66/barrel O/R
** Both contracts rose 4% in the previous session
** Shares of U.S. oil majors Exxon Mobil XOM.N and Chevron CVX.N reversed course, down 0.07% and 0.20% respectively
(Reporting by Arunima Kumar and Sumit Saha in Bengaluru)
((Sumit.Saha@thomsonreuters.com;))