Astera Labs

Astera just posted record quarterly revenue of 392.4 million dollars, up 104% from a year ago and up 27% in a single quarter. Net income hit 153.1 million dollars, so this is a company that is genuinely profitable, not just growing. Guidance for next quarter calls for 540 to 560 million dollars, which would be another 40% jump in 90 days.

Scorpio fabric switches are set to become Astera's biggest product family next quarter, a full quarter earlier than management expected. That shift turns Astera from a parts supplier into a full AI networking provider, and the 320-lane switch ramp is the main reason next quarter's revenue is guided to jump by roughly 150 million dollars. Growth is broad too, with the older Aries line also hitting a record quarter.

At a market value near 62 billion dollars, the stock already assumes years of enormous growth. This is also one of the most volatile names in tech, swinging far more than the overall market on any given day. If AI spending slows even slightly, the price could fall hard before the business ever does.

Gross margin came in at 73.3% this quarter and is guided down to about 72% next quarter, because switches carry thinner profit than the smaller chips that built this company. A handful of huge cloud customers still drive most of the revenue, so losing even one would sting badly. Bigger rivals and the cloud companies themselves could also build this technology in house.