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James Doran, Associate professor/Deputy head of school, UNSW.
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How does a small retail company that sells video games, worth less than USD 400 million in the middle of 2020, become a USD 10 billion company in less than six months? How does its share price climb from about USD 20 on January 12 2021 to USD 347 on January 27 – then fall back to USD 193 the very next day?