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The US stock market has finally launched a pure photonics industry chain ETF, code #FOTO , which just hit the market yesterday.

Similar to the storage sector's $DRAM ETF logic, this one bundles a basket of companies related to optical communication, lasers, silicon photonics, and optoelectronic devices, actively managed.

If you've got storage in one hand and photonics in the other, how can you lose?