Something wrong with today’s spread

On Wednesday (February 27), due to technical problems, CME Groupsaid that all transactions in the global trading market were suspended at around 8:40 am Beijing time. Before that, transactions in US stock futures in Singapore were suspended at 8:40. According to a blogger, named the zero hedging of financial blogs, US stocks, bond futures and commodity markets were affected.
A number of brokers have expanded their spreads of gold and silver.
It can be seen from this morning's market that brokers, which didn’t expand its spreads of silver and gold, then must not submit orders into the market.