✔ 最佳答案
you can hold this stock, if you buy near 4, I think the price is very attractive. Oil price is not directly effect their business. but the export less will be indirect reduce the demand of their product. I think the most effect their profit is the metal price. Anyway, if my view, it drop to this price is very attractive. In long term, it can come to HKD 5 is reasonable. but it depend on everything basic factor no change and metal cost decrease.