Battery failure stops Hong Kong futures trading


HONG KONG -- A dead battery halted Hong Kong’s futures and options trading for than an hour on May 28, according to a preliminary investigation by the Hong Kong Exchanges and Clearing (HKEx).

In what proved an embarrassment for exchange officials, the investigation revealed that one unit in the uninterrupted power supply (UPS) -- the exchange’s back-up system -- failed to take over because its batteries were dead. What’s more, the other unit within the system took over only briefly before fa

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