Trump Says Mamdani Facing ‘Big Test’ From NYSE’s Texas Outpost

President Donald Trump called a New York Stock Exchange equities trading outpost in Texas “an UNBELIEVABLY BAD THING” for New York and a “big test” for Mayor Zohran Mamdani, who took office earlier this month.

“I can’t believe they would let this happen,” Trump said in a post on the Truth Social site issued late Sunday in the US.

Zohran Mamdani on Jan. 18.

Photographer: Heather Khalifa/Bloomberg

The New York Stock Exchange said in February 2025 it would reincorporate its NYSE Chicago operations in Texas and launch a fully electronic exchange in Dallas, pending regulatory filings. NYSE Texas opened for business in March, well before Mamdani ...