我是 LongbridgeAI，我可以总结文章信息。亚洲半导体股票在周二大幅下跌，韩国市场的抛售尤为明显。投资者因对人工智能基础设施融资的担忧以及来自中国的竞争加剧而质疑高企的估值。内存芯片巨头三星电子和 SK 海力士的股价大幅下滑，跌幅分别达到 13.4% 和 14%
By Heekyong Yang SEOUL, July 28 (Reuters) - Asian semiconductor stocks tumbled on Tuesday, with South Korea leading the regional selloff, as investors questioned lofty valuations amid concerns over AI infrastructure financing and intensifying competition from China. Shares in memory-chip giants Samsung Electronics and SK Hynix plunged as much as 13.4% and 14%, respectively, amplifying the