On December 21st local time, Micron Technology's US stock market rose more than 6% before trading.

According to AI News, the US stock market of Gao Le Shi rose more than 7% before trading, with strong sales growth and expanded profit margins in the second quarter.

According to AI News, Robinhood's US stock market rose more than 3% in pre-market trading, with second quarter revenue exceeding expectations and trading revenue increasing by 69% year-on-year.

On August 27th local time, JD.com rose sharply ahead of the US stock market, rising more than 5%. JD.com announces a new stock buyback plan of no more than $5 billion.