12069
The stock fell HK$ 0.23 , or 30.26 percent , to an all-time low of HK$ 0.53 .
 HK$, HK$
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 HK$, HK$