A lot of young people who begin taking the language say they are doing it for work. They hope that in the future, if they can speak Chinese, they have better luck finding work.

I saw fireworks only on TV before, but tonight I set off them myself. They are as beautiful as shining stars! This is the most unforgettable Spring Festival in my life.

Global supply of copper is tight. Nobody dares to build fresh short positions in this situation.

Overall, the push from speculators is the main driver for higher copper prices.

I'm a little cautious as London prices at $5,000 mark is a very important price level. I think at this price volatility will emerge.

Given such high copper prices, no traders dare to put on short positions, and that's why volume reduced. Some traders pulled investments from copper into aluminum, betting gains in aluminum might be bigger.