<ul><li>Elon Musk is the owner of five companies, including SpaceX, Tesla, The Boring Company, Neuralink, and Twitter.</li><li>In a recent tweet, Elon Musk mentioned that he works all day to run his businesses.</li><li>Currently, his focus is on improving Twitter, which he hopes to turn into a profitable company, known as "Twitter 2.0".</li><li>Despite owning five companies, Elon Musk's priority is to work on making Twitter a success.</li></ul>

Musk is having sleepless nights, working all day to run 5 companies he owns

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