noun
sell order
Used in stock trading and financial markets to refer to an instruction to sell securities.
投資家は朝一番で売り注文を出した。
The investor placed a sell order first thing in the morning.
買い注文 is a buy order, the opposite of 売り注文.
Compound of 売り (uri, 'selling') + 注文 (chūmon, 'order').