In a research note analyzing fourth-quarter earnings, senior U.S. economist Ronnie Walker noted that discussions surrounding AI completely overshadowed what was fundamentally a strong quarter, with core corporate revenues (excluding the energy sector) growing by a robust 4.6% year over year. Amid this market fervor, Walker wrote, “We still do not find a meaningful relationship between productivity and AI adoption at the economy-wide level.” However, the data reveals a substantial hint of something bigger to come: a median reported productivity gain of around 30% for two specific, localized use cases.
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三、市场总结与投资建议2026年3月3日A股放量普跌，市场亏钱效应扩散，当日跌停的六国化工（600470）、江钨装备（600397）、科森科技（603626）均呈现共性风险：业绩持续亏损、无基本面支撑，估值较济安定价大幅高估（偏离度均超80%），前期靠题材炒作推高股价，此次跌停是估值泡沫破裂的理性回归。，推荐阅读纸飞机下载获取更多信息
Фото: ФСБ РФ / РИА Новости