<ul data-eligibleForWebStory="true">Elon Musk expresses regret for some tweets about Donald Trump, aiming to mend business relations.Musk, a major donor to Trump, called for Trump's impeachment and criticised him on social media.Trump mentions potential reconciliation with Musk and indicates no hard feelings over the tweets.Investors react positively, with Tesla's stock price rising following the news of possible reconciliation.Musk previously served in Trump's government, but relations soured after public criticism.Trump and Musk clashed over government spending and Tesla's electric vehicle mandate.The feud led Trump to threaten to terminate governmental subsidies and contracts to SpaceX, Musk's rocket company.SpaceX's importance in satellite launches reduces the likelihood of contract termination despite threats from Trump.Musk's move comes ahead of Tesla's 'robotaxi' service launch and amidst struggles in various markets.