来源：经济观察网 经济观察网 2026年2月27日，谷歌正式发布了AI图像生成工具Nano Banana 2的升级版本，该工具支持更 高分辨率图像生成、数据可视化功能，并扩展至141个新增国家和地区。同时，谷歌披露其内容验证工 具SynthID已被使用超过2000万次，以应对AI生成内容的版权风险。此次更新覆盖Gemini App、谷歌搜 索AI模式等多条产品线，旨在提升AI工具的实用性和普及度。 股票近期走势 谷歌-A（GOOGL.OQ）股价在近一周（2026年2月22日至2月27日）呈现波动下跌态势，区间累计跌幅 为2.13%。其中，2月27日股价微涨0.29%，收盘报308.27美元，但当日振幅达1.98%，成交金额约23.75 亿美元。整体来看，股价受大盘环境影响（纳斯达克指数近五日跌0.91%），短期承压明显。 以上内容基于公开资料整理，不构成投资建议。 ...

Company - Dell Technologies reported record revenue and profit for the quarter, announcing a 20% increase in cash dividends [5] - Warner Bros stated that Paramount's revised acquisition offer is a "better proposal" [5] - Salesforce's stock rose due to better-than-expected earnings, a significant buyback, and optimistic guidance [5] - Vanguard Group reached a $29.5 million settlement regarding an antitrust lawsuit with several Republican states [5] - Google launched the second version of its AI image generation tool, Nano Banana 2, following its initial success [5] Industry - The U.S. Department of Defense set a final deadline for unrestricted use of Anthropic AI tools [5] - The global smartphone market is expected to shrink by 13% this year due to a shortage of storage chips, according to IDC [5] - The 30-year mortgage rate in the U.S. fell below 6% for the first time since 2022, which may boost the spring housing market [5] - The collapse of the UK lending institution MFS has impacted major Wall Street firms like Barclays [5] - The Venezuelan gas station operator declared a state of emergency due to low revenues [5]