The SpaceX IPO has everyone talking—but what does it actually mean for your retirement accounts? For most TSP and 401(k) investors, the short answer is: not much, at least not right away. Here's what you need to know about how index funds add new companies, why the S&P 500 moves slowly, and what to watch for down the road.

Energy crises have a long history of rattling markets and unsettling investors — but history also has a way of putting that turbulence in perspective. From the OPEC oil embargo of 1973 to the demand collapse of 2020, every major energy shock has generated real economic pain and genuine uncertainty. And in every case, disciplined investors who stayed the course came out ahead.

In this post, we trace the history of the world's most significant energy crises, explore how rising and falling oil prices ripple through the broader economy, and share what these lessons mean for long-term investors navigating today's volatile energy landscape.