Group 1 - The stock price of Sunny Optical (02382) is currently at 59.8 HKD, down 1.89%, showing weakness since reaching a peak on May 12, and is approaching the lower band of the Bollinger Bands at 58.8 HKD [1] - The Relative Strength Index (RSI) has dropped to 40, indicating an oversold condition, while the William and Stochastic indicators are signaling a buy; however, the MACD and Bollinger Bands maintain a strong sell perspective [1] - The stock has fallen below all major moving averages, with the 10-day moving average at 63.89 HKD acting as a significant resistance level; if it cannot recover the support level of 59 HKD, it may drop to the year’s low of 51.3 HKD [1] Group 2 - The warrants related to Sunny Optical (15561) saw a price increase of 7% despite the underlying stock dropping by 2.7% two days later [3] - For investors anticipating a rebound, Huatai's call warrant (26633) offers a leverage of 3.4 times with an exercise price of 52.93 HKD, while the BNP Paribas call warrant (26732) provides similar conditions with a leverage of 3.3 times [5] - For bearish investors, UBS's put warrant (13316) offers a leverage of 2.5 times with an exercise price of 58.83 HKD, close to the current stock price [5] Group 3 - Citibank's bull certificate (55660) offers a leverage of 11.4 times with a redemption price of 58 HKD, which has the lowest premium among similar products; HSBC's bull certificate (55910) provides a leverage of 10.4 times [9] - Investors should note that Sunny Optical's 5-day volatility is at 7%, and they should assess their risk tolerance accordingly [9] - For bearish strategies, investors can consider JPMorgan's bear certificate (56227) or UBS's bear certificate (54934) with redemption prices of 77 HKD and 78 HKD, respectively, and premiums of 3.18% and 1.67% [9]