Small caps such as AXT that have risen 8,800% in a year at forward P/Es in the hundreds look held by buyers hoping to dump on the next person. Investors should ask who runs them, what the moats are and whether competitors can replicate them; Nvidia's Jensen Huang says most bottlenecks can be solved within a few years, so what happens in 5-10? This pushes back on @aleabitoreddit's claim that AXT controls the materials buildout for photonics. x.comÂ