Companies Market Cap - Top telecommunication companies by market cap. Full list: https://companiesmarketcap.com/telecommunication/largest-telecommunication- companies-by-market-cap/ | Facebook
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Vishnu Kapadia on Twitter: "20 Largest companies by Market cap in 1989 versus 20 largest companies by Market cap as of 31, March 2021 *none of the 20 companies survived to stay
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