Wall Street is counting down to what's expected to be the biggest market launch in history, as SpaceX prepares to go public. The IPO is expected to value the firm at $1.75 trillion, and make founder Elon Musk the world's first trillionaire. Also in the show - US inflation surges to its highest level in three years, pushed by the jump in energy prices since the start of the Iran war, with President Donald Trump hailing the data as 'great.'