Major US stock markets opened higher on Tuesday, buoyed by the latest first-quarter earnings reports and temporary exemptions from President Donald Trump's new electronics tariff link.

Bank of America shares rose nearly 2% in premarket trading after beating earnings expectations. Citigroup also exceeded forecasts, thanks to substantial trading revenue. Johnson & Johnson posted better-than-expected results but saw shares edge slightly lower.

At 9:30 am ET, the Dow Jones gained 0.15%, with the Goldman Sachs Group growing 1.30%. The Nasdaq 100 added 0.21%, and Netflix improved by 2.28%. The S&P 500 rose 0.16%, and the Bank of America rose 4.24%.

In currency markets, at 9:28 am ET, the euro was down by 0.36% against the dollar, selling for $1.13082.