Continuous Trading Sessions: Eastern Daylight Time (EDT), Monday to Friday: Pre-market 04:00—09:30 Regular Trading 09:30—16:00 After-hours 16:00—20:00 Hong Kong Time during US Daylight Saving Time (March-November)： Pre-market 16:00—21:30 Regular Trading 21:30—04:00 After-hours 04:00—08:00 Hong Kong Time during US Standard Time (November-March): Pre-market 17:00—22:30 Regular Trading 22:30—05:00 After-hours 05:00—09:00 Note: Daylight Saving Time starts on the second Sunday of March and ends on the first Sunday of November each year. Standard Time starts on the first Sunday of November and ends on the second Sunday of March the following year.

Unlike A-shares and Hong Kong stocks, US stocks do not have a "lot" concept; the minimum trading unit is 1 share.

Unlike A-shares, US stocks do not have daily price fluctuation limits, so investors should manage their risks accordingly.

Smart conditional orders include types such as take profit sell orders, stop loss sell orders, trailing stop orders, high price sell orders, fall below sell orders, breakout buy orders, low price buy orders, price trigger orders, related asset trigger orders, and grid orders.