Stocks are set for a cautious open ahead of a potentially tense meeting between Pres. Trump and Chinese Pres. Xi this Thursday and Friday; Dow -0.2%, S&P and Nasdaq -0.3%.
The White House has revived health care negotiations with House Republicans, a point of consternation for some as it raises concerns about a delay in the tax reform process.
European stock markets are mixed, with U.K.'s FTSE +0.4%, France's CAC flat and Germany's DAX -0.1%; in Asia, Japan's Nikkei closed -0.9% while China's Shanghai Composite ended +0.4%.
In U.S. corporate news, Caterpillar +1.8% pre-market after Goldman added the stock to its Conviction Buy list, but Bank of America -1.7% following a Citigroup downgrade.
U.S. Treasury prices are modestly lower, with the benchmark 10-year yield up by a basis point at 2.33%.
U.S. crude oil is +0.6% as a rebound in Libyan crude production balanced expectations of a draw in U.S. inventories.
Still ahead: factory orders