The VN-Index ended September's final session at around 1,768 points, down about 64 points, or 3.5%, from the previous month-end. The September 30 session extended its decline to three consecutive trading days.

Vingroup shares weighed heavily on the index late in the month, while falling stocks outnumbered gainers on HoSE. Actual performance fell short of earlier bullish expectations from several analyst groups. These figures describe the completed session and month, rather than a guaranteed direction for subsequent trading.