Meta's New AI Helper Has Tech Stocks Soaring Again

Tech stocks are back in fashion, and the reason is a mix of cheaper energy and one new Meta product. The Nasdaq-100 — an index of the 100 biggest companies on the tech-heavy US market, where tech makes up about 70% of the list — hit an all-time high on Tuesday, beating its previous record from June. In Asia, China's chip-focused Star Market 50 and South Korea's Kospi, which leans heavily on memory chip makers (the companies that build the storage inside your phone and laptop), have been climbing back since a rough July.

So why did investors change their minds? Three things. Oil dropped below US$100 a barrel, which eases inflation — the rising prices that had made expensive tech stocks look risky. Meta's new "Muse" agent (an AI that can take actions for you, like booking or researching, rather than just answering questions) reassured investors that companies really are still spending on AI. And ahead of this week's sit-down between Xi Jinping and Donald Trump, early trade talks sounded friendlier, hinting at less friction between the world's two biggest economies.

For you, this matters in quiet, practical ways. Tech stocks sit inside most retirement funds and index portfolios, so a rebound in chip makers and AI companies can lift your savings account without you doing anything. Strong AI demand also tends to mean faster, cheaper gadgets — memory chips get cheaper when factories run at full speed, and that eventually shows up in phone and laptop prices. It also means more AI tools arriving in apps you already use.

Here's the catch: this is a bet, not a guarantee. AI stocks got hammered earlier this year by inflation worries and by some US tech leaders themselves asking for slower, safer AI development. A record high can reverse fast if trade talks stall, oil climbs again, or Meta's Muse underwhelms. Watch the trend, not the headline — and don't make big money moves based on one good Tuesday.