The unsettled trading follows Trump's national address late Wednesday
Oil prices have been dictating much of the recent swings in the market: TD advisor
The Nasdaq fell more than 10% below its all-time high set early this year
The latest flip-flop came after the U.S. delivered plan to Iran to pause war
The S&P/TSX composite index tumbled more than 450 points on Thursday
Uncertainty from the war has led to manic back-and-forth swings in oil, stock markets
Before the war, it was largely expected that the central bank would cut rates
Geopolitical uncertainty, especially the war in Iran, loom large for Japan's export-reliant economy
On Wednesday, the Fed's Powell said it's unclear what will happen with oil prices, tariffs
Fed officials expect the Iran war will worsen inflation this year, but have little impact on economic growth