天呐，俺一直以为这两个是一样的，今天看到下面甜鸭子医生的帖子才明白是有区别的。
但我的退休帐户里的large cap 去年的performance 是和spy 同样的，都是25 ％左右，並不是34 ％啊，求解惑。
科技股ETF需要遵循RIC diversification requirement from IRS：
2024 年涨幅较大。
These growth funds such as VUG follow benchmark index established by research institutions such as CRSP (University of Chicago Center for Research in Security Prices), https://www.crsp.org/indexes/crsp-us-large-cap-growth-index/ and London Stock Exchange FTSE Russell 1000 Growth Index, https://research.ftserussell.com/Analytics/Factsheets/Home/DownloadSingleIssue?issueName=US1001USD&IsManual=true
QQQ/QQQM only track the top 100 on NASDAQ.
Many "large cap growth mutal funds" in retirement accounts follow these benchmark index. Some people think they offer better long term growth-risk posture than QQQ/QQQM.
天呐，俺一直以为这两个是一样的，今天看到下面甜鸭子医生的帖子才明白是有区别的。
但我的退休帐户里的large cap 去年的performance 是和spy 同样的，都是25 ％左右，並不是34 ％啊，求解惑。
科技股ETF需要遵循RIC diversification requirement from IRS：
2024 年涨幅较大。
These growth funds such as VUG follow benchmark index established by research institutions such as CRSP (University of Chicago Center for Research in Security Prices), https://www.crsp.org/indexes/crsp-us-large-cap-growth-index/ and London Stock Exchange FTSE Russell 1000 Growth Index, https://research.ftserussell.com/Analytics/Factsheets/Home/DownloadSingleIssue?issueName=US1001USD&IsManual=true
QQQ/QQQM only track the top 100 on NASDAQ.
Many "large cap growth mutal funds" in retirement accounts follow these benchmark index. Some people think they offer better long term growth-risk posture than QQQ/QQQM.