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| Author: | Michayluk, D. |
| Title: | The rise and fall of single-letter ticker symbols |
| Journal: | Business history
2008 : MAY, VOL. 50:3, p. 368-385 |
| Index terms: | stock exchanges stocks |
| Language: | eng |
| Abstract: | A single-letter stock ticker symbol is a limited resource. Only 26 possibilities are available in a stock universe of over 475 000 possible one-, two-, three or four-letter ticker symbols. Some of the most important companies at the time were initially placed into this group because these symbols were first allocated based on trading volume. This article investigates the history of this group of stocks. It documents a decline in the importance of these firms due to a natural turnover in commercial leadership and no established mechanism to remove the single-letter designation from firms that lost their prominence. |
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