If you own Nvidia, AMD, or basically anything with "semiconductor" in the name, this week probably made you feel a little sick. It started on July 2nd, when chip stocks quietly dragged the Nasdaq lower even as the Dow hit a fresh record high the same day. Nobody panicked yet. It looked like a normal, boring rotation, money moving from tech into other sectors.

But underneath that calm surface, something was building. The same worry that's been whispered about all year, that the hundreds of billions being poured into AI data centers might not pay off as fast as everyone hoped, was starting to feel real again. And when that fear shows up in a sector that's already up hundreds of percent this year, it doesn't move quietly. It moves violently.

Then, just as fast as the fear showed up, it disappeared. On July 6th, the first trading day back from the holiday weekend, chip stocks didn't just recover, they ripped. The VanEck Semiconductor ETF (SMH) jumped 2.7% right at the opening bell. AMD surged 6.6%. Western Digital jumped 7.1%. Seagate climbed nearly 6%. The same day, the Dow closed above 53,000 for the first time in history.

If you'd checked your portfolio that afternoon, you would have felt like a genius. The AI trade was back. The dip was a buying opportunity, just like it always seemed to be. This is the exact moment that gets new traders in trouble, because it feels like certainty. It isn't.

One day later, on July 7th, the floor gave way again. Samsung reported one of the best quarters any chip company has ever posted, with profit up roughly 18 times year over year. By every normal rule of investing, that should have sent the whole sector higher. Instead, the semiconductor gauge sank more than 4.5% in a single session, and the Nasdaq 100 dropped 1.8%.

Think about how strange that actually is. A company just told the world that AI demand is real, immediate, and enormous, and the market's reaction was to sell anyway. That's not a reaction to bad news. That's a market that's genuinely unsure what it believes, and when the market doesn't know what it believes, it takes it out on the stocks that have run the furthest, fastest.

Here's the part that matters more than any single day's move. This wasn't one stock having a bad quarter or one CEO saying the wrong thing. This was the market oscillating between two competing stories it's been telling itself all year: AI spending is the biggest wealth-creation event of our lifetime, versus AI spending is a bubble that's priced in way more good news than reality can deliver.

Both stories are still alive. That's why the same week gave you a crash, a rally, and another crash. Until one of those stories actually wins, expect more days like this, not fewer. If your stomach can't handle that kind of swing, that's useful information about how much of your portfolio should be sitting in this sector right now.

With 20 years of investment expertise, Caleb Gan is a seasoned professional in stock trading. The hard work and dedication were recognized when his partner and him were featured on Singapore TV Channel 9's MoneyWeek, a prominent financial program. He's also had the privilege to share insights on radio stations like 93.8Live, Capital 95.8FM, and 96.3FM through live interviews about stock market investments. Beyond that, he's also the co-founder of NDU System, where he continues to help others navigate the world of trading.

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Until next time,

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