Context: Both the Shanghai Stock Exchange and the Shenzhen Stock Exchange suspended trading of companies based in southwestern China. Copper rose over speculations that production in southwestern China may be affected, and oil prices dropped over speculations that demand from China would fall.

Question: Where were the exchanges based?
Answer: southwestern China

Question: What metal rose in value?
Answer: Copper

Question: What natural resource dropped in value?
Answer: oil

Question: What did the Shanghai Stock Exchange do?
Answer: suspended trading

Question: Where were companies located that had their stock trading suspended?
Answer: southwestern China

Question: What metal rose due to speculation?
Answer: Copper

Question: Besides the Shanghai Stock Exchange, what other exchange suspended trading of southwestern China stock?
Answer: Shenzhen Stock Exchange