Bipedal robots raced alongside humans in a historic Beijing half-marathon, revealing progress and limitations in humanoid technology.

Robots ran, stumbled, and even lost their heads—literally—in China’s first humanoid half-marathon, exposing just how far (and not so far) bipedal tech has come.

Tesla ( ($TSLA) ) has been popular among investors this week. Here is a recap of the key news on this stock. Tesla is facing ...