-- Wall Street futures pointed moderately higher pre-bell Tuesday after media reports that commercial vessels had transited the Strait of Hormuz under US guidance.
The US Central Command said Apache helicopters have been tasked to sink Iranian speedboats that were disrupting traffic in the seaway.
West Texas Intermediate crude oil traded down 1.6% at $104.71 in pre-bell action.
In the futures, the S&P 500 rose 0.3%, the Nasdaq inclined 0.6%, and the Dow Jones was up 0.3%.
Traders also await the Job Openings and Labor Turnover Survey for March, aka JOLTS, which posts at 10 am ET in Washington, providing a window into the tightness of US labor markets.
Asian exchanges traded mostly lower overnight, with Seoul and Tokyo closed on holiday, while European bourses tracked moderately north at midday on the continent.
On the economic calendar, in addition to the JOLTS, is the international trade in goods and services bulletin for March at 8:30 am ET, followed by the S&P Global US composite purchasing managers index final for April at 9:45 am.
The new home sales reports for February and March, and the ISM Services Index for April, log at 10 am.
Federal Reserve Governors Michelle Bowman and Michael Barr are slated to speak on Tuesday.
In pre-market action, Bitcoin traded at $80,749, and 10-year US Treasuries offered 4.42%. Spot gold commanded $4,552 an ounce.