How to pronounce 交投 in Cantonese (4 out of 6):

交投下跌一半以上
The stock market has fallen by more than half.

Cantonese Sentence Breakdown

交投 gaau1 tau4
trade
the meeting of (eye contact)
下跌 haa6 teoi2
fall down
一半 jat1 bun3
half
以上 ji5 soeng6
(adverb, preposition) (of age, height etc.) above