Disney stock jumped as much as 10 on Wednesday.br The increase added more than $21 billion to the entertainment giant's market capitalization.br Investors celebrated the news that Disney Plus has attracted more than 60 million subscribers in its first nine months.br Pandemic-related closures of theme parks, stores, and cinemas hammered its business, dropping its revenue 42 last quarter.br Lower revenues and $5 billion in restructuring and impairment charges translated into a $4.5 billion net loss last quarter.