The relationship between Elon Musk and President Donald Trump appears to have entered a new phase of pronounced tension and public disagreement.

By Saeed Azhar, Kanchana Chakravarty and Sukriti Gupta NEW YORK (Reuters) - Wall Street's stock indexes ended lower on Thursday in choppy trade as a slump in Tesla shares offset news of progress in tariff talks between U.

Wall Street's stock indexes dipped as Tesla shares declined amid a feud between Elon Musk and President Trump, overshadowing positive signs from U.S.-China trade talks. Investor concerns grew with reports of a potential economic slowdown and revealed shifts in market dynamics,