Monday links: the railroad and AI booms

MarketsA look at the stocks that have jumped more than 100% over the past year. (morningstar.com)The American stock market has shifted from buying back stock to issuing stock. (bloomberg.com)On the parallels between the railroad and AI booms. (newyorker.com)SpaceXRetail is betting big on SpaceX ($SPCX). (axios.com)There is is going to be plenty of volume in SpaceX ($SPCX) shares. (ft.com)SpaceX ($SPCX) performance matters more than index machinations. (wsj.com)AIHow Anthropic differs from OpenAI. (stratechery.com)Why Anthropic and the current administration are beefing. (spyglass.org)Users are increasingly mixing and matching AI models. (wsj.com)What if AI doesn't mean the end of software engineering? (theargumentmag.com)WorkYou can't increase luck in your career, but you can do this. (ritholtz.com)In the AI age, job references once again matter. (wsj.com)On the pros and cons of remote work. (wsj.com)Want a job? Respond quickly. (pubsonline.informs.org)IranSecondary powers hav