Owning the S&P 500 and Nasdaq-100 through low-cost index funds captures tomorrow's winners as they emerge without predicting them, since both indexes keep replacing fading companies with stronger ones. Since inception, the S&P 500 fund is up about 814% and the Nasdaq-100 fund about 1,683%. Contribution rate matters more than timing: $400 a month at 10.5% for 30 years grows to about $876,000, double the $438,000 from $200. x.com 

Most people should just buy the S&P 500, because sentiment and a lack of understanding make investors FOMO-chase the next hot trend, like semis now, and underperform the market. A post the author replies to notes that Adobe and ServiceNow, loved at 60x and 120x earnings, are down about 65% and now unwanted at 10x and 20x. x.com 

QQQ's remaining earnings, macro and election hurdles set up one more dip to punish late chasers. The index looks good and is pricing in some good news today, but Amazon, Intel and SanDisk earnings plus PCE and GDP arrive tomorrow, followed by AMD earnings and elections Tuesday. Expect one more, probably modest, dip Wednesday or Thursday next week before November's upward seasonality takes effect. x.com 

The S&P 500 fund VOO beats covered-call income ETFs like GPIX and QQQI because covered calls cap upside, leaving long-run returns worse. Since GPIX's October 2023 inception, VOO has compounded 26.4% a year versus GPIX's 23.6%, while QQQ's 25.4% beat QQQI's 21%. Fees add drag of about 1.1% for GPIX and 2.2% for QQQI versus 0.1% for VOO, and large monthly payouts are tax-inefficient. x.com  x.com 

The Nasdaq-100 can fund a comfortable retirement: $1 million compounding at 15% a year, with $80,000 withdrawn annually, would leave over $2.5 million after 10 years. US markets now have more liquidity, global adoption and world-leading companies, so a long sideways stretch looks less likely than in the past, and monthly withdrawals let the rest keep compounding. A collapse of these global companies would only happen in a catastrophe like nuclear war. Past returns don't guarantee future ones. … Show more

The Nasdaq-100 looks set for a roughly 7% drop over the next month and a half, driven by expected election turmoil. The 10-year Treasury yield is at 5.2% and the dollar index at 101, and the setup rhymes with October 2018. The main risk is a flip higher from here or a move 3% above the previous all-time high; a short-term rip before the decline is possible amid month-end flows. x.com  x.com  x.com  x.com 

Most retail investors who hold concentrated portfolios underperform a diversified benchmark like VOO. Depending on the study, typically 70-85% or more of those holding 10 or fewer stocks trail it most of the time, because of behavioral biases, higher volatility and missing the skewed winners that drive market returns. x.com 

Favoring the Nasdaq 100 over small caps remains right because the digital economy has changed market structure, and AI is accelerating that shift. Fading QQQ against IWM has been the widowmaker trade in US equities since the iPhone launch. The Magnificent 7 are breaking out to new all-time highs as AI enters a consumer-agent stage, while small caps suffer from fears over rates and oil. Breadth warnings are everywhere, but the structure has changed: adapt or die. x.com 

The Nasdaq-100 is exposed to contagion as specific mispriced stocks implode, while the S&P 500 would be hit less. This is not a general bearish view on equities; it comes from idiosyncratic mispricings first. @quantian1 argues that if those shorts pay off, the S&P 500 would probably fall about 30%. x.com 

The Vanguard S&P 500 ETF works as a foundation that doesn't depend on getting every stock pick right. It gives exposure to about 500 large US companies for a 0.03% annual expense ratio, roughly $3 a year per $10,000 invested. The plan is to keep adding to it over time and build individual stocks around it. x.com