Group 1 - U.S. President Donald Trump has canceled all meetings with Iranian officials, indicating a shift away from diplomatic efforts to address the violent crackdown on protestors in Iran [1][2] - The cancellation of meetings has led to a more than 2.5% increase in WTI crude and Brent crude prices during U.S. trading hours, highlighting concerns over potential instability in the oil market due to U.S. involvement in Iran [2] - The situation in Iran, a major oil producer with influence over the Strait of Hormuz, raises the risk of market volatility, which could impact global oil supply and prices [2] Group 2 - U.S. stocks experienced a dip despite a cooler-than-expected core consumer price index for December, suggesting investor concerns about economic stability [2] - Morgan Stanley's chief economic strategist noted that while inflation is not reheating, it remains above target, indicating ongoing economic challenges [3] - JPMorgan Chase CEO expressed concerns that attacks on central bank independence could lead to increased inflation expectations and higher interest rates over time, which may further complicate the economic landscape [4]