Tens of thousands of people are in Omaha, Nebraska, to attend the annual shareholder weekend for billionaire Warren Buffett's Berkshire Hathaway. Buffett, 94, is expected to answer shareholder questions over four and a half hours at Berkshire's annual meeting on Saturday.

Warren Buffett has remained quiet on Trump’s controversial tariff policy, which has raised the ire of trading partners and escalated the trade war between China and the U.S.

Warren Buffett is set to preside over Berkshire Hathaway's annual meeting on Saturday, with investors and analysts keen to hear the legendary investor's views as U.S. President Donald Trump's tariff policies cause uncertainty for business and the economy.