The stock RIGOL (HKEX: 00537), which is scheduled to list in Hong Kong, has shown a significant drop in its pre-market trading. The current indicative price is around HK$40, representing a fall of approximately 13% from its initial public offering price of HK$45.98. Based on a standard board lot size of 100 shares, this translates to a potential loss of about HK$598 per lot, excluding any applicable transaction fees.