2 sentences

1. 恒生指数在收市时下跌了。

   Héng​shēng zhǐ​shù zài shōu​shì shí xià​diē le.

   The Hang Seng Index fell at the close of trading.

   Source: Dong Chinese Dictionary

2. 已经收市了，你想买东西明天再来吧。

   yǐ​jīng shōu​shì le, nǐ xiǎng mǎi dōng​xi míng​tiān zài lái ba.

   The market is closed now; if you want to buy something, come back tomorrow.

   Source: Dong Chinese Dictionary