The results reveal that herding presents in Vietnam market, but the types of stocks herded vary given the market conditions, liquidity and foreign investors trading. Herding appears to concentrates in market down-days, and in liquid stocks. Stocks that foreign investors net buy are herded aggressive across all liquidity level and in all market conditions. Stocks that foreign investors net sell are herded only in market up-days, and mostly within the groups of liquid stocks. | Foreign investor trading and herding behavior in Vietnam stock market