Hopes that the US IPO market will come straight back to life now that the government shutdown has ended and regulators are back at work have been dampened by worries about a possible second shutdown.

President Donald Trump told the Wall Street Journal overnight there’s a less than 50/50 chance that Congress will deliver a border deal that he can accept and that another shutdown is “certainly an option.” His acting chief of staff Mick Mulvaney told the Associated Press that Trump means it.