粵典 (words.hk)香港詞
股票市場進行交易嘅日子（量詞：個） (trading day; working day in banking or share trading)
名詞用例
今年首個交易日，港股紅盤高開。
gam1 nin4 sau2 go3 gaau1 jik6 jat6, gong2 gu2 hung4 pun2 gou1 hoi1.
On the year's first trading day, the Hong Kong stock market opened high.