India, July 23 -- US President Donald Trump's plan to offer faster access to his Truth Social posts to investment firms has triggered criticism from several Republican senators, who say the move raises ethical questions and could give wealthy traders an advantage in financial markets.

Trump Media & Technology Group (TMTG), the parent company of Truth Social, announced last week that it would launch Truth API, a data service offering investment firms "real-time access to posts from the highest-ranking Truth Social accounts."

Reports from Reuters and CNBC said Truth Social executives discussed charging Wall Street firms and other investment companies up to $100,000 per month for quicker access to Trump's posts. A discounted option of $60,...