芯片股Q2创纪录后Q3开局不利，美光跌11%蒸发2000亿
Chip stocks that notched record rallies in second quarter start Q3 with a dud
Memory maker Micron, which jumped over 240% in the second quarter, dropped 11% on Wednesday, wiping out nearly $200 billion of market capitalization.
更进一步：量化金融体系
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