FlashFeed

Donald Trump has a pattern of making his biggest policy moves — including his latest Iran reversal — outside of US market trading hours. Traders are increasingly bracing for weekend surprises that send shockwaves through markets before they open. The pattern puts investors in a difficult position managing overnight risk.

Donald Trump floods the zone at all hours, but his latest reversal on Iran makes one thing clear: he makes many of his biggest gambits when US markets are dark.