CNBC Daily Open: Worries over Iran and Fed independence weigh on markets

Group 1: U.S. Political Developments - 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] - Trump's support for protestors highlights the ongoing anti-government demonstrations in Iran, which are among the largest in the region [1] Group 2: Oil Market Impact - WTI crude and Brent crude prices increased by over 2.5% during U.S. trading hours due to concerns that U.S. involvement in Iran could destabilize the oil market, given Iran's significant role as an oil producer [2] - The situation in Iran is particularly sensitive as it influences the Strait of Hormuz, a critical passage for global oil shipments [2] Group 3: U.S. Market Reactions - U.S. stock markets experienced a dip despite the core consumer price index for December being lower than expected, indicating persistent inflation concerns [3] - Investor anxiety has been exacerbated by Trump's derogatory remarks towards Federal Reserve Chair Jerome Powell, which may affect market sentiment [3] Group 4: Central Bank Independence Concerns - JPMorgan Chase CEO Jamie Dimon expressed concerns that undermining central bank independence could lead to higher inflation expectations and increased interest rates over time [4]