中文翻译
@cronked $AXTI 是我的个人最爱，但它在光子学领域已经处于最上游了。上面的 ETF 只是将瓶颈名称映射到 Semivision 描述的主要瓶颈上，而这些瓶颈更多涉及中游公司。
· 供应链分析
AXTI为光子学最上游标的，ETF映射Semivision所述中游瓶颈。
涉及标的： $AXTI
英文原文
@cronked $AXTI is my personal favorite but it’s as upstream as you can go for photonics. The ETF above is just bottleneck name mapping to what Semivision described as their top bottlenecks, which were more midstream companies.