didn't find it on instagram but here is an article with the same headline but it's from 2023 https://www.economist.com/finance-and-economics/2023/10/30/what-a-third-world-war-would-mean-for-investors and behind a pay wall
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TIL there isn't a stock market set of emojis. This is supposed to mean "stock market go down" that 📈📉 are specifically "chart" emojis and not aliased to literally anything else for some reason.