The first day of 2013, Zhengzhou Commodity Exchange released good news, the glass futures appeared limit-up at first time. The main future 1305 contract increased 5.01 percent and ended at 1425 yuan. This is the first time that the glass futures presented limit-up since it is listed.
The glass futures was listing on December 3, 2012, which created a new lowest record in history on December 13, 2012, 1283 yuan. And after that, the price begins to rise.
Source:
http://www.glassinchina.com/news/newsDisplay_19801.html