one board lot of securities

例句：

1. 1. The company's stock has been on the rise since the merger.
   自从合并以来，该公司的股票一直在上涨。
2. 2.He decided to invest in a one board lot of securities.
   他决定投资于一块证券堆。
3. 3.The investors are looking for a good investment opportunity in the one board lot of securities.
   投资者正在寻找一块证券堆中的好的投资机会。