According to Rayliant data, the 60-day correlation between South Korea's Kospi index and the U.S. Nasdaq 100 recently reached 0.50, its highest level since 2021, as artificial intelligence hardware spending increasingly ties together U.S. technology giants and Korean memory chipmakers Samsung Electronics and SK Hynix. The tighter relationship reflects that both companies, which account for more than 50% of the Kospi, provide critical memory chips for AI data centers. The dynamic was illustrated
根据Anthropic CEO Dario Amodei的说法,该公司并不主张全面禁止开放权重模型。Amodei承认,开放模型可以降低成本、增强竞争,并让客户自行部署,称没有危险能力的模型为"公共产品"。然而,他不同意开放模型天生更安全,也不认为一旦权重发布,防御者比攻击者受益更多。Anthropic反而提出了三种替代方案:限制向中国出口先进芯片和制造设备、打击工业规模的模型蒸馏,以及要求所有具备足够能力的模型(无论开放还是封闭源码状态)必须通过网络安全、生物安全和AI对齐性测试。
According to Jeremy Siegel, Wharton School professor emeritus, on CNBC, the 10-year U.S. Treasury real yield rose to 2.43% on July 27, reaching levels that have historically created headwinds for stock markets. Siegel noted the spread between inflation-adjusted Treasury yields and inflation-adjusted stock market returns at approximately 5%, adding that while stocks still hold a yield advantage over bonds, further rate increases could diminish their appeal. He said, "It's not yet a threat, but if