Most major stock markets in the Gulf rose in early trade on Tuesday after a slew of upbeat earnings although caution persisted ahead of potential U.S. tariffs, while investors awaited comments from the Federal Reserve Chair.

Trump on Monday announced plans to impose 25% tariffs on steel and aluminium imports to the U.S, with additional reciprocal tariffs to be made public on Tuesday or Wednesday.

Dubai's main share index gained 0.6%, led by a 2.2% advance in Emaar Properties and a 0.8% rise in lender Dubai Islamic Bank ahead of its earnings.

Among other stocks, Emirates Integrated Telecommunications jumped 2.5% after the telecom firm reported a higher quarterly profit.

In Abu Dhabi, the benchmark index nudged 0.1% higher, with Aldar Properties advancing 6%, on course third consecutive session of gains.

Aldar reported fourth-quarter profit of 1.9 billion dirhams ($517.30 million), up 37% year-on-year.

On the other hand, Lulu Retail Holding plunged 10%, set for its biggest intraday fall since its listing in November, following a steep decline in fourth-quarter profit.

Lulu runs one of the biggest hypermarket chains in the Middle East.

Elsewhere, International Holding Co was flat in spite of posting a decline in annual profit.

The Qatari benchmark index gained 0.4%, with Qatar Islamic Bank rising 1% and telecom firm Ooredoo increasing 1.1%, after posting a 46% jump in fourth-quarter profit.

Saudi Arabia's benchmark index fell 0.3%, hit by a 0.8% fall in Al Rajhi Bank and a 0.9% decrease in ACWA Power Company.

Leejam Sports, which posted a lower quarterly profit, retreated 3.6%.

Meanwhile, Fed Chair Jerome Powell is set to testify before the Senate Banking Committee on Tuesday. Investors will closely assess his comments on U.S. tariffs and inflation.

($1 = 3.6729 UAE dirham)

(Reporting by Ateeq Shariff in Bengaluru; Editing by Sonia Cheema)