'SpaceX stock market debut reads more like science fiction than a realistic business plan'
Elon Musk is basing the market valuation of his aerospace company, which is set to go public on the Nasdaq on Friday, on the promise of dominating technologies and markets that do not yet exist. In the space sector, however, the line between achievement and disaster is razor-thin, explains Le Monde editorialist Stéphane Lauer.