* Moody’s downgraded the US credit rating, citing unsustainable debt levels and rising interest costs—setting the stage for a volatile week. Investors eyed a

* US equities were mixed on Tuesday as momentum from the recent tech-driven rally slowed ahead of key macroeconomic data. The S&P 500 edged

* US equities extended their gains on Tuesday after inflation data came in cooler than expected. The Consumer Price Index rose just 0.2% in April,