MOODY'S upgraded Micron Technology's (MU.O) senior unsecured rating to Baa1; outlook stable.

中國上證綜指7月30日（週四）開盤下跌16.36點，跌幅：0.43%，報3812.11點； 中國深證成指7月30日（週四）開盤下跌127.37點，跌幅：0.93%，報13531.07點； 中國滬深300指數7月30日（週四）開盤下跌34.22點，跌幅：0.74%，報4566.05點； 中國創業板指數7月30日（週四）開盤下跌47.38點，跌幅：1.4%，報3331.32點； 中國科創50指數7月30日（週四）開盤下跌25.27點，跌幅：1.51%，報1653.47點。

Investors are profit-taking in U.S. tech at record speed: equal-weight Nasdaq-100 has lagged equal-weight S&P 500 by 6.8 percentage points MTD through July, potentially its worst monthly relative performance on record. Equal-weight S&P 500 is up 2.2% MTD and near record highs; equal-weight Nasdaq-100 is down 4.6% MTD and near its lowest since mid‑May. Tech had outperformed for four months prior; in the past 20 years tech’s average has never lagged the S&P 500’s average by more than 5 percentage points.