JPMorgan Chase & Co.’s stock traders achieved a record revenue of $3.81 billion, a 48% increase from the previous quarter.The bank's equities markets revenue surpassed analysts' expectations and the firm's previous stock-trading record.CEO Jamie Dimon expressed caution about the US economy's prospects due to various factors including geopolitics, inflation, and fiscal deficits.JPMorgan reported a larger-than-expected reserve build, signaling that companies are preparing for an economic downturn due to Trump's tariff policy.