While the US market overcame mounting China trade tension to close up 1.7% last week, Hong Kong didn't. The region's benchmark sharemarket index, the Hang Seng, fell 4% led by the technology giants, such as Xiaomi, which fell 8% for the week. This followed the previous week's fall of 3% in the Hang Seng. Is this big drop in China's technology giants a buying opportunity?

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