Been looking at what's a good stock to buy now with some spare cash, and honestly the market setup feels pretty interesting right now. We're sitting on a solid bull run that started back in late 2022, and major banks are still bullish on 2026. Deutsche Bank's calling for S&P 500 at 8,000, Goldman sees another 12% rally coming. So if you've got $1,000 sitting around after handling your debt and emergency fund, might be worth thinking about where to deploy it.

I've been tracking three names that caught my attention, and they seem like solid plays for different reasons. First one is IonQ on the quantum computing angle. Look, quantum's still early stage, but McKinsey is projecting the market could explode from $4 billion now to $72 billion by 2035. That's the kind of growth trajectory that can make early bets pay off big. IonQ's been absolutely crushing it on the execution side—their revenue more than doubled in the first nine months of 2025, with Q3 up 222% year over year. They just hit 99.99% two-qubit gate performance, which basically means their quantum systems are getting genuinely accurate. Cost per system is supposedly 30x cheaper than competitors too. Yeah, the valuation's stretched at 158 times sales and it'll be volatile, but when you're talking about a company that could be foundational to a multi-trillion dollar market, sometimes you take the risk.

Now, the other angle that's been impossible to ignore is AI infrastructure spending. Gartner's forecasting a 41% jump in AI infrastructure spending this year alone, hitting $1.4 trillion. That's massive tailwind for anyone in the supply chain. Celestica's been my pick here because they're designing and manufacturing the networking components that go into AI accelerator chips from the big names—Broadcom, Marvell, AMD, Intel. They're also building the rack-scale networking solutions for hyperscalers rolling out AI data centers. Revenue jumped 27% in 2025 to $12.2 billion, and the growth's expected to accelerate. Trading at just 3.2 times sales, this feels like what's a good stock to buy now if you want exposure to the AI infrastructure boom without overpaying.

Micron's the third one on my radar. Memory chip shortage is still real—demand keeps outpacing supply for the high-bandwidth memory that AI data centers need. Their revenue could nearly double this year, and they're trading under 10 times sales with a forward earnings multiple of 11. That's cheap for a company clocking 100% sales growth. They've already gained 243% over the past year, but with the memory shortage likely persisting through 2028 and capacity additions taking time to come online, there's probably more runway. What's a good stock to buy now if you want value in a structural growth story? Micron fits that bill pretty well.

The thing about all three is they're riding different waves—quantum's the long-shot moonshot, AI infrastructure is the structural tailwind, and Micron's the value play in a supply-constrained market. Depending on your risk appetite, you could split that $1,000 or go all-in on one. But yeah, after looking at what's a good stock to buy now across sectors, these three keep coming up as the most interesting setups for the next few years.