Some CEOs have vowed to revolt against a Zohran Mamdani win. Jamie Dimon says he'll 'call him and offer my help'

Democratic New York City mayoral candidate Zohran Mamdani speaks during a campaign event in New York on November 3, 2025. (Credit: ANGELA WEISS/AFP via Getty Images)

• In today’s CEO Daily: Diane Brady previews election day in New York City.
• The big story: OpenAI’s $38 billion AWS deal.
• The markets: Down across the board.
• Plus: All the news and watercooler chat from Fortune.

Good morning. It’s election day here in New York City. President Donald Trump has endorsed former New York Governor Andrew Cuomo for mayor, calling on New Yorkers to defeat “Communist” Zohran Mamdani in a post on Truth Social. But in my conversations with business leaders over the past few weeks, I’ve sensed a more nuanced stance on the 34-year-old Democratic Socialist who’s now leading in the polls. As one Wall Street executive pointed out to me in Miami: “He’s changed his mind on some things (such as defunding the police) and he needs to get support on others (such as raising state tax rates), so let’s see how he operates.”