Jim Cramer just told investors to buy a stock he once thought was too expensive.During the July 29 “Lightning Round” on CNBC’s “Mad Money,” a caller asked about Astera Labs (ALAB), and Cramer did not hesitate to comment. He said the fundamentals had not changed and that the recent drop came down to market mood, not the business itself.That call is noteworthy because Cramer had been cautious on Astera Labs before, pointing to its steep valuation next to established chip names.The timing is what makes this interesting for investors. Astera Labs reports second-quarter results on August 4, so anyone acting on the advice is stepping in right before a result that could move the stock in either direction.What Jim Cramer actually said about Astera Labs stockCramer’s verdict was blunt. According to CNBC, he said that nothing changed with the company and that the drop was a matter of sentiment, before landing on his signature “buy, buy, buy.”The reversal matters because Cramer had flagged Astera Labs as pricey in comparison to a proven player like Broadcom (AVGO). Cramer’s shift suggests the stock got cheaper while the business itself stayed the same.A well-known voice is signaling that a beaten-down AI stock has reached a level he considers attractive, but a signal is not a guarantee.
Astera Labs makes the connectivity hardware that moves data between chips inside AI data centers.SOPA Images / Getty Images
Why Astera Labs stock fell so far so fastAstera Labs hit an all-time high of $499.48 on June 30, 2026, according to Yahoo Finance. By late July, it had fallen into the mid-$200s.That is a decline of more than 40% in a matter of weeks. The drop followed a general fall in AI stocks. Investors also cashed in gains after a huge run-up, and grew more anxious about how much Big Tech companies are spending to build data centers.More AI Stocks:Nvidia CEO doubles down on AI and stock market verdictOverlooked AI stock is growing faster than NvidiaThe AI secret behind Qualcomm’s price hikeShares rose more than 15% on July 30, trading near $288.66, according to Google Finance.None of that selling came from a problem inside the business. Astera Labs’ first-quarter revenue increased 93% year over year to $308.4 million, even as the stock fell. Cramer’s point was that the business kept growing while the price did the opposite.What Astera Labs does and why it keeps growingAstera Labs designs semiconductor-based connectivity products, including smart retimers, cable modules, and memory controllers.AI chips need to constantly send huge amounts of data back and forth, and without the right hardware in between, that data can slow down and cause delays. Related: Jim Cramer has terrifying one-word message for tech stock investorsAstera Labs makes the parts that keep the data moving smoothly.The company does not build the AI chips that get the headlines. It sells the hardware that links those chips together.Astera Labs can benefit from the AI buildout no matter which chipmaker wins, because the connections still have to be made. The earnings report that could decide the next moveAstera Labs releases second-quarter results after the market closes on August 4, Stock Titan reported. Management guided second-quarter revenue to $355 million to $365 million, up roughly 85% to 90% from a year earlier. That would mean Astera Labs is on track to grow sales by almost double in a single year.Non-GAAP earnings guidance sits at $0.68 to $0.70 per share, up from $0.37 a year ago.Wall Street analysts expect about the same numbers: roughly $360 million in revenue and $0.69 per share in earnings. In other words, Wall Street thinks Astera Labs will hit its own target, not beat or miss it by much.The setup cuts both ways:A strong report that meets or beats the revenue target could send shares sharply higher.Any hint of slowing data center demand could push the stock down again.Buying just before a report like this means accepting short-term risk. The stock can rise or fall on August 5.The valuation question investors still cannot ignoreEven after the drop, Astera Labs is not cheap.The stock trades at a forward price-to-earnings multiple above 190x, which means investors are still paying for years of expected growth in advance.For context, a high multiple like that leaves little room for error. If growth slows even slightly, a richly priced stock tends to fall harder than a cheap one.Cramer argues that the recent selloff improved the risk-and-reward balance, not that the stock became a bargain. Those are different claims, and the distinction matters for how much you commit.How analysts and investors can approach ALAB from hereWall Street sits somewhere between Cramer’s enthusiasm and outright caution.The consensus rating across 19 analysts is a “Moderate Buy,” with an average 12-month price target of $317.50. That average target points to about a 10% increase from current levels. It is a solid but not dramatic gain, suggesting analysts see the stock as reasonably priced rather than deeply undervalued.For investors weighing a position, a few practical steps can help you manage the risk:Steps to consider before buying ALABCheck whether your portfolio already leans heavily on high-volatility AI infrastructure names before adding another.Consider building a position in stages, such as part before August 4 and part after, to soften the impact of an earnings surprise.Watch the average analyst target of $317.50 as a rough gauge of where institutions see fair value.Dollar-cost averaging, or buying in smaller pieces over time instead of all at once, is a common way to handle a stock this volatile before an earnings reportThe bottom line on Cramer’s Astera Labs callCramer’s call comes down to one belief: He thinks Astera Labs is still a strong, growing business, and the only thing that changed is how much investors are willing to pay for it right now. In his view, the stock got cheaper for reasons that have nothing to do with how the company is actually performing. That belief is about to be tested. Astera Labs still trades at a price that assumes years of continued fast growth, so the stock has little room for a disappointing quarter. And the company reports earnings on August 4, just days away. A strong report could prove Cramer right and send the stock higher. However, a weak one, especially any sign that AI data center spending is slowing, could send it right back down.That timing matters for how you approach this. If you’re investing for the long term and you believe the AI buildout still has years to run, buying now means getting in below June’s peak, even with the near-term risk. If you’d rather not gamble on a single earnings report, waiting until after August 4 costs you nothing but a few days, and it removes the biggest unknown hanging over the stock.Either way, the smarter move is to treat Cramer’s recommendation as a starting point, not a final answer. Look at the earnings numbers yourself when they come out, and decide whether the growth story still holds up before you commit.Related: Jim Cramer says he’s steering clear of one popular stock