U.S. President Donald Trump's administration has proposed an average rate increase of just 0.09% in Medicare payments to insurers next year, the government said on Monday, driving shares of health insurers down more than 10%. Shares of health insurers Humana down 12% in overnight trading; CVS Health and UnitedHealth down 9%; Centene and Oscar Health down 3%.

Shares of manufacturing solutions firm Sanmina SANM.O down 8% at $168 in overnight trading. Co posts Q1 net income of $49.3 million, compared with $65.0 million last year.

U.S. steelmaker Nucor's NUE.N fourth-quarter profit and revenue missed Wall Street expectations on Monday as rising costs pressured margins in its steel-producing segments, sending its shares down 3% in overnight trading.