CNBC Daily Open: Washington escalates on two fronts; Nvidia earnings in focus
Markets are bracing for more tests this week, including Nvidia's earnings, an inflation reading, and the Fed's Jackson Hole symposium.

TL;DR
- U.S. launches toughest sanctions yet against Iran, aiming to isolate the country economically.
- Treasury Secretary Scott Bessent declares an "economic D-Day" against Iran's global financial connections.
- U.S. threatens to double auto tariffs on Canada to 50% following breakdown in trade negotiations.
- Markets are cautious ahead of Nvidia's earnings, an inflation reading (PCE price index), and the Fed's Jackson Hole symposium.
- Treasury may utilize the Treasury General Account (TGA) to fund an expanded bond-buyback program.
- Nvidia's first computing racks based on Groq technology are expected to be operational later this year.
- Jim Cramer advises investors to pay attention to the bond market due to rising long-term interest rates.