Inflation is cooling based on recent data; traders anticipate that the Federal Reserve will raise interest rates by a quarter-point hike next week.  In addition, the markets expect the terminal rate to rise to 4.9% in June.  More:  Market volatility increases as investors gather information on the company's earnings reports.  As S&P 500 companies report their Q4 results, Refinitiv data shows that 67.8% have exceeded analysts' expectations.  "There are concerns that Fed chair Jerome Powell will be talking the market down." American Express Co. rose 12.5% after raising its annual earnings forecast above expectations, and Visa Inc. jumped by 3%.  Intel declined by 7.8% due to reporting the worst revenue in the last two decades, and Chevron suffered a 4.4% loss due to high oil and gas prices.