Mohamed El-Erian, the chief economic adviser at Allianz, issued a stark warning on Thursday that investments in some AI-related names will “end up in tears,” even as he categorized the boom as a “rational bubble.”A ‘Rational Bubble’ With Limited WinnersEl-Erian argued that while AI is a “major transformational general purpose technology” akin to electricity, the current market frenzy is pulling weaker companies up alongside a “limited number of winners,” he told CNBC.“It’s rational because everybody has an ...

Key Points The fund has surged 38% year to date as quantum computing breakthroughs capture investor attention, but extreme valuations among pure-play stocks suggest caution is warranted. Broad diversification across 80 holdings includes established technology giants generating positive free cash flow alongside speculative quantum startups, reducing concentration risk. A 0.4% expense ratio is reasonable for thematic exposure, though investors should understand they're paying for access to an emerging ...

经济学家Justin Wolfers对AI泡沫的观点 - 认为当前对AI存在巨大泡沫的担忧可能被夸大，科技板块飙升的估值“实际上是有道理的”[1] - 将AI热潮描述为一场潜在的“美丽的工业革命”，尽管市场可能存在泡沫，但巨额投资与真正的技术变革相符[1] - 警告在市场实时判断泡沫极为困难，任何表达确定性的人都不可信[2] - 其评论最终否定了两种极端观点，指出若无AI相关投资的激增，美国可能正处于“非AI衰退的边缘”[4] 华尔街对AI泡沫的多空观点对比 - 多头观点认为估值可能是合理的，高盛预计AI将带来8万亿美元的机会，并认为当前投资水平是可持续的[3] - Wedbush分析师Dan Ives称这场革命仅处于“第二局”，AI派对才刚刚开始[3] - 空头观点则发出严重警告，投资公司GQG Partners将当前市场称为“打了兴奋剂的互联网泡沫”，认为情况比1999年崩盘时更糟[3] - Crescat Capital指出，顶级科技股估值占GDP的百分比比互联网泡沫峰值高出270%[3] AI相关股票及ETF市场表现 - 尽管标普500指数年内上涨13.55%，但大多数AI相关股票和交易所交易基金表现优于市场[5] - iShares美国科技ETF年内表现23.58%[6] - Fidelity MSCI信息技术指数ETF一年表现24.10%[7] - First Trust道琼斯互联网指数基金一年表现26.38%[7] - iShares扩展科技板块ETF年内表现24.99%，一年表现29.97%[7] - iShares全球科技ETF年内表现24.04%[7] - Defiance Quantum ETF年内表现33.48%，一年表现72.22%[7] - Roundhill Magnificent Seven ETF一年表现34.72%[7] - 个股方面，英伟达年内上涨32.47%，微软上涨22.70%，谷歌上涨33.13%，特斯拉一年内上涨100.74%[7]

Defiance Quantum ETF (NASDAQ: QTUM ), for many, has been the primary ETF for making a generalized bet on quantum computing. Many quantum stocks took off about a year ago, giving the fund attractive returns over that time.I analyze securities based on value investing, an owner's mindset, and a long-term horizon. I don't write sell articles as those are considered short theses, and I never recommend shorting.Former advisory representative at Fidelity. I do my own investing now and share my research here.Analy ...

文章核心观点 - Defiance Quantum ETF (QTUM) 被许多投资者视为对量子计算领域进行广泛投资的主要ETF工具 [1] - 大约一年前许多量子计算相关股票出现上涨为该基金带来了有吸引力的回报 [1] 作者分析方法论 - 分析证券时基于价值投资理念、所有者思维模式和长期投资视角 [1] - 不撰写看空报告也不建议做空操作 [1]

Market Analysis by covering: Invesco Dorsey Wright Technology Momentum ETF, Defiance Quantum ETF, D Wave Quantum Inc, Spear Alpha ETF. Read 's Market Analysis on Investing.com ...

Rigetti Computing Inc. RGTI has experienced a remarkable run in the past year. This volatile stock, which surged around 100% year-to-date, has skyrocketed around 3,900% in the past 12 months.This meteoric rise has attracted significant attention from investors, particularly those interested in ETFs that offer exposure to the quantum computing sector. Among these, the Tradr 2X Long RGTI Daily ETF RGTU and the Defiance Daily Target 2X Long RGTI ETF RGTX stand out due to their leveraged positions in Rigetti’s ...

文章核心观点 - 利用主题型交易所交易基金是捕捉人工智能、量子计算和机器人技术等领域增长机会的有效方式，可规避挑选单一科技股带来的复杂性和风险 [1][2][3] 机器人技术与自动化ETF分析 - Robo Global Robotics and Automation Index ETF专注于投资推动机器人、自动化和人工智能领域变革性创新的公司，投资组合包含82只持仓 [4] - 该基金前三大持仓为Symbotic、Celestica和Joby Aviation，无单一股票权重超过3%，避免了过度依赖科技巨头 [5] - 基金费用率为0.95%，即每投资1万美元年费用为95美元，过去五年涨幅为34%，低于同期标普500指数超过90%的涨幅 [6][7] 量子计算ETF分析 - Defiance Quantum ETF投资于77只股票，涵盖将从量子计算及相关产品服务中受益的公司，包括芯片制造商和量子计算机开发商 [8][9] - 投资组合中最大持仓为新思科技，权重略低于2%，提供了良好的分散性，基金费用率为0.40% [10] - 该ETF在过去五年内上涨约180%，显示出强劲的早期增长势头 [10]

The Defiance Quantum ETF (NASDAQ: QTUM ) is an indexed investment strategy designed to provide investors with exposure to companies that participate in quantum computing and machine learning. With a low expense ratio of 40bps, QTUM can be Analyst's Disclosure:I/we have no stock, option or similar derivative position in any of the companies mentioned, and no plans to initiate any such positions within the next 72 hours. I wrote this article myself, and it expresses my own opinions. I am not receiving compens ...