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65 articles in this category
The urbanization story is real, but 'smart city' ETFs are a marketing wrapper around infrastructure, REITs, utilities and industrials. Here's what you actually own — and the cheaper way to get it.
Sector and thematic ETFs are where good investors do their worst trading — chasing winners, doubling up on hidden exposure and selling at the bottom. Here are the mistakes that recur, and the fixes.
U.S. sector ETFs like XLK and XLF only cover American companies. International sector funds extend the idea abroad — adding currency risk and country concentration on top of the usual sector bet.
Slicing the market into small-cap sectors stacks concentration on top of volatility. Pure-play products are rare for good reason — here's what exists and the cleaner way to get small-cap exposure.
Value isn't a sector, but some sectors are structurally cheaper. Financials, energy and materials carry low price-to-book and price-to-earnings ratios — useful for a value tilt, and easy to overdo.
Growth in the market is concentrated in a few sectors — technology above all, plus consumer discretionary and biotech. Tilting toward them can boost returns, but it also raises the size of the swings.
Dividends aren't spread evenly across the market. Utilities, real estate, and energy carry the highest yields, while tech pays little. Here's the sector income map and the traps to avoid.
AI, robotics, semiconductors, cloud, and cybersecurity are the emerging-tech themes most ETFs target. Some are diversified and cheap; others are narrow and expensive. Knowing which is which matters.
Populations across the developed world and China are aging, and that's one of the most durable trends in investing. But 'demographics' is hard to package, and broad health care often captures it better than a niche thematic fund.
Rising rates don't hit every sector the same way. Banks can earn more on loans while utilities and REITs face stiffer competition from bond yields. Here's the rate-sensitivity map.
Coming out of a recession, the sectors that fell hardest often rebound hardest. Cyclicals like XLF, XLI, and XLY have historically led recoveries, but the market usually moves before the data turns.
Sectors don't decouple from the market so much as amplify or dampen it. Understanding each sector's correlation and beta tells you what a tilt will really do to your portfolio's swings.
The textbook says cyclicals lead recoveries and defensives lead downturns. The trouble is that markets price the cycle before it's obvious, so timing sector ETFs reliably is far harder than the theory suggests.
A sector ETF buys one of 11 standardized slices of the economy. A thematic ETF assembles a story — AI, clean energy, robotics — across sectors. The distinction changes everything about cost and risk.
ARK's flagship ARKK roughly tripled into early 2021, then gave most of it back. The fund is the clearest real-world lesson in how concentrated thematic bets actually behave.
Global X popularized the narrow-theme ETF — robotics, lithium, cloud, covered calls. The catch: thematic funds often launch at a story's peak. Here's how to read the lineup.
Natural gas is the most volatile major commodity, and futures-based funds like UNG bleed value through contango. Leveraged versions are even more punishing. Here's the reality.
USO can lose money even when oil rises, because it holds futures, not barrels. Understanding contango and backwardation is the key to not getting burned by oil ETFs.
Silver is part safe-haven, part industrial metal — which is why it swings harder than gold. Here's how physical, miner, and futures-based silver ETFs differ.
Defense stocks earn revenue from long government contracts, but 'aerospace and defense' funds quietly mix in volatile commercial-aviation exposure. Here's how to tell them apart.
The word 'infrastructure' hides two opposite funds: cyclical construction-and-materials plays, and steady utility-style income. Picking the wrong one is the most common mistake.
Video games out-earn film and music combined, but gaming ETFs are really a tech-and-chips basket with a console-cycle twist. Here's what to know before buying the theme.
Legalization sounds like an obvious tailwind, yet cannabis ETFs have been one of the worst-performing themes of the past several years. Here's why the story and the returns diverged.
Gene editing and DNA sequencing make a thrilling story, but biotech is a graveyard of failed trials. Here's how genomics ETFs are built and why they swing so hard.
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