Southern doubled its long positions on Halliburton this week, which led to a nearly 50% drop in value. The size has now shrunk by 60%.

As of today's closing of the Hong Kong stock market, the Southern double long Hynix ETF has experienced a weekly decline of 49.89%, with a price drop of 76.87% compared to the highest point on June 25. On Monday this week, the ETF fell sharply by 33%, then rebounded on Tuesday and Wednesday with gains of 8.85% and 10.09% respectively. On Thursday and Friday this week, the ETF continued to decline significantly, with declines of 21.32% and 20.68% respectively over the two days. According to data from East Money, the ETF had a size of 51.74 billion yuan as of July 16, a decrease of 60% compared to its previous peak size. Another ETF under Southern Dongying tracking Korean chip stocks also plummeted significantly, with a weekly decline of 39.76%.