2 AI and Quantum Stocks Set for Strong Q3 Earnings Growth

Semtech’s Q3 revenue is guided to $410 million at the midpoint, up 54% year over year, with data-center sales expected to rise 160%; consensus EPS is $1.06, and estimates rose 45.2% over two months. D-Wave Quantum reported first-half bookings up 1,120% year over year, but Q3 consensus still projects a 9-cent-per-share loss on $3.95 million in revenue; its commercial opportunity carries higher execution risk. The article also cites up to $215 million in planned DOE funding for quantum computing and warns that higher rates and inflation could pressure growth-stock valuations.

Analysis

The key distinction is earnings visibility, not the size of the two growth narratives. Semtech’s upside is tied to near-term data-center demand, but the sharply revised estimate base raises the hurdle: a merely in-line quarter could still disappoint if forward data-center growth, mix, or margins fail to validate the acceleration. This is an expectations-risk setup, not a reason to extrapolate a single quarter. The second-order beneficiaries are suppliers across the data-center connectivity chain; conversely, any moderation in hyperscaler buildouts would transmit quickly to component vendors. Verify customer concentration and gross-margin conversion before sizing.

D-Wave’s bookings and production-use metrics are more informative than its earnings comparison, but bookings are not recognized revenue or proof of recurring utilization. The AT&T relationship offers a validation signal, not evidence of material economics by itself. DOE funding is competitive and milestone-dependent; it can accelerate the category while also subsidizing rivals, so it does not establish D-Wave as a winner. With a small revenue base and a long-duration valuation profile, higher real rates disproportionately threaten QBTS if deployments slip.

Over days, earnings reactions will depend on guidance versus elevated expectations. Over 1–3 months, track SMTC data-center revenue conversion and estimate revisions, and QBTS customer deployments, bookings-to-revenue conversion, and cash needs. Over 6–18 months, sustained AI infrastructure spending supports connectivity demand, while quantum remains an option-like, high-execution-risk exposure. Contrarian read: AI infrastructure demand may be durable, but the article’s extrapolation from capex to supplier earnings skips margins and customer concentration; quantum funding headlines may overstate near-term commercial value.

Key Decisions for Investors

• Prefer SMTC to QBTS for exposure to the theme, but do not chase into the print after substantial upward estimate revisions. Consider a staged position after earnings only if data-center sales and forward guidance confirm growth with stable or improving margin conversion.
• Treat SMTC as an event-risk trade: cut or avoid adding if guidance misses the implied acceleration, data-center demand decelerates materially, or revenue growth fails to translate into operating performance. Verify customer concentration and segment margins before sizing.
• Keep QBTS as a small, speculative watch position rather than a core holding. Require evidence that bookings convert into recognized revenue and repeat production usage; DOE awards or expanded customer relationships alone are insufficient confirmation.
• For a relative-value expression, favor SMTC over QBTS with smaller QBTS exposure, recognizing this is not a market-neutral hedge. Reassess if SMTC guidance weakens or QBTS demonstrates sustained deployment and revenue conversion; both remain sensitive to rates and risk appetite.