According to the provided source material, Trump said there would be no deal with Iran unless it dismantles its nuclear program. Both reports say this position could strain United States-Iran relations, complicate diplomatic efforts, and affect broader nuclear negotiations. The older topic also links the stance to potential risks for global oil flows, sanctions pressure, and crypto market sentiment, while the newer topic emphasizes possible effects on wider market stability. No dates, official responses, direct quotes beyond the core claim, or specific market figures are provided.