Alibaba Group Holding’s planned Hong Kong listing of its semiconductor design arm, T-Head, is poised to reshape China’s artificial intelligence hardware arena while unlocking billions of dollars in trapped valuation for the tech titan, according to analysts. The proposed spin-off serves as a test of whether the sum of Alibaba’s parts is worth significantly more than its current market valuation. Alibaba’s Hong Kong-listed shares slipped about 1 per cent to HK$100.60 on Wednesday, the day...