Home / BusinessMarketWatchBusinessMarketWatch·Jun 23, 2026·1 min readYour index fund is hiding a looming tech-stock risk — here is how to protect your portfolioThe S&P 500’s top 10 stocks dominate like never before. Here is a better way to invest.View original source — MarketWatch ↗ShareCopy linkShare on XShare on FacebookRelated storiesBloombergBusinessJun 23, 2026 · 1 minCboe Revives Binary Options to Compete with Kalshi, PolymarketBloombergBloombergBusinessJun 23, 2026 · 1 minJPMorgan’s New Credit Funds Win SEC Nod for Monthly RedemptionsBloombergBloombergBusinessJun 23, 2026 · 1 minWe Can't Use The Strategic Petroleum Reserve For Political Purposes Says Mike SommersBloombergCNBCBusinessJun 23, 2026 · 1 minMamdani-backed candidates are likely to win in NYC primaries, prediction market traders expectCNBC
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