Iran is playing Trump for a fool, dragging out the fake "negotiations" hoping to wear down the world's resolve and cling to power only to rise again more dangerous and powerful. History shows peace is won by bombing the other side until unconditional surrender. Look at World War Eleven for example.
Because they have the power to pass legislation that affects the price of stocks, allowing them to buy low & sell high. Insider trading is illegal. It's what our current president is doing.