大约有 40,000 项符合查询结果（耗时：0.0284秒） [XML]
How to get a complete list of ticker symbols from Yahoo Finance? [closed]
... }
}
}
It gave me a list of about 75,000 securities in about 4 mins.
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PHP cURL vs file_get_contents
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0.1 MICROseconds (1/1,000 of a MILIseconds) ... I find that hard to believe.
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