Walmart struggling U.K. subsidiary could be blocked from merging with a larger rival over concerns from the country's competition watchdog that the tie-up would lead to higher prices and a "poorer experience" for shoppers in Europe's second-largest market.

The Dow is set for a record high open Wednesday even as global markets remain sensitive to political headline risk as investors keep a keen eye on developments in Italy's budget crisis and the fate of the newly re-vamped trade agreement between the U.S., Canada and Mexico.

President Donald Trump is reportedly set to impose tariffs on about $50 billion in imports from China.

Global stocks kicked-off the week in a bullish mood Monday, with merger activity and a robust U.S. corporate earnings season helping boost markets in Europe and Asia and set up Wall Street for a positive start to the final trading day of the month.

U.S. stock futures are rising Monday, as Wall Street processes a mega-merger between Sprint and T-Mobile and as Walmart says it will sell its supermarket business in the U.K.

Walmart retreats from Britain's fiercely-competitive grocery market as J Sainsbury plc, the country's second-biggest grocery store chain, confirms a $10 billion deal to merge the Bentonville, Arkansas-based group's Asda business.

Walmart could be ready to retreat from Britain's fiercely-competitive grocery market as J Sainsbury plc, the country's second-biggest grocery store chain, confirms talks to buy the Bentonville, Arkansas-based group's Asda business.

President Donald Trump tweeted Wednesday that Russia should "get ready" because missiles "will be coming" to Syria.

Data from Kantar Worldpanel showed food inflation was 3.4% for the 12 weeks ending Nov. 5.

"Hyperscale spending continues strong, enterprise consumption continues strong and broadband deployment across North America, Europe and even parts of Asia continues their multiyear trend of growth," said CEO Hock Tan.

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