Chief Executive Elon Musk said on Tuesday he is considering taking Tesla Inc (TSLA.O) private in what would be the largest deal of its type, moving the electric car maker out of the glare of Wall Street as it goes through a period of rapid growth under tight financial constraints. Funding secured," Musk said on Twitter. In a letter to Tesla employees published more than an hour later on the company's blog, Musk explained that going private would be "the best path forward."