<div id="readability-page-1"><div>On May 25, Huawei officially unveiled the &#34;Tau Law&#34; at ISCAS 2026, proposing the use of &#34;temporal scaling&#34; to replace traditional &#34;geometric scaling&#34;. Through logic folding technology, it aims to achieve breakthroughs in chip performance.The upcoming Kirin chip expected to be launched in autumn is projected to deliver impressive performance improvements, and within five years, chips comparable to the 1.4-nm process are anticipated to be produced.SMIC (00981.HK) +8.100 (+10.144%) Short selling $1.35B; Ratio 8.174% opened 14.97% higher today at HKD91.8, with 109 million shares traded in pre-market negotiated transactions, involving HKD9.852 billion.HUA HONG SEMI (01347.HK) +16.600 (+12.759%) Short selling $1.27B; Ratio 19.082% opened 14.99% higher today at HKD149.6, with 22.1081 million shares traded in pre-market negotiated transactions, involving HKD3.356 billion. (HK stocks quote is delayed for at least 15 mins.Short Selling Data as at 2026-05-22 16:25.)</div></div>

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SMIC and HUA HONG SEMI opened approximately 15% higher following Huawei's unveiling of the 'Tau Law' at ISCAS 2026, which proposes a new semiconductor theory. SMIC opened at HKD91.8, up 10.14%, while HUA HONG SEMI opened at HKD149.6, up 12.76%. Significant trading volumes were noted in pre-market transactions.

SMIC, HUA HONG SEMI Open ~15% Higher as Huawei Unveils New Semiconductor Theory