US benchmark equity indexes were on track to close mixed on Monday, after a choppy session following Trump's latest warnings of additional 50% tariffs on China.

The Dow Jones Industrial Average dropped 0.8% to 38,005.29, while the Nasdaq Composite increased 0.2% to 15,625.52. The S&P 500 was down 0.1% to 5,069.14. All sectors except communication systems were declining. Real estate and materials saw the steepest declines.

Dollar Tree (DLTR) was among the top performers on the S&P 500, with shares gaining 9%. Citigroup upgraded the company's rating to buy from neutral and raised the price target to $103 from $76.

Nvidia (NVDA) was the top performer on the Dow, with shares up 3.8%.

SLB (SLB) shares were down 4.4%. TD Cowen and Piper Sandler lowered the price target on the company's stock to $48 from $55 and $46 from $47, respectively.

SUNation Energy (SUNE) shares declined 76%. The company closed the final tranche of its previously announced securities purchase agreement with certain institutional investors, raising $5 million.

The 10-year US Treasury yield gained 18.7 basis points to 4.18%, while the two-year rate rose 8.9 basis points to 3.76%.

May West Texas Intermediate crude oil was down 1.2% to $61.26 a barrel.