Premarket Report, Tuesday, August 4, 2026
Your daily premarket briefing, brought to you by SignalDeck.live.
Situational Awareness
🕊️ Iran talks status is contradicted between the two sides. Trump said Monday that talks with Iran were under way and he wanted to give Tehran “every last chance” before renewed strikes; Iran’s Foreign Ministry spokesman said the same day that Tehran has no meetings with US officials planned and is not engaged in talks. Markets are pricing Trump’s framing, not Iran’s denial, S&P 500 closed Monday just shy of its record (7,620.90), Nasdaq +2.1%, Dow hit a fresh record (53,178.41). Watch for the gap between the two sides’ public statements to matter if either escalates.
📡 The optics/photonics rally has a real, specific anchor: a reported FCC/Trump-administration plan to ban Chinese-made optical transceiver imports for AI data centers. Reuters reported the FCC is drafting a ban on next-generation Chinese transceiver modules, citing cybersecurity/data-leakage risk; China’s Zhongji Innolight (27% of global transceiver share) was already placed on the Pentagon’s military-backed company list in June. The policy would lock Chinese competitors out of a fast-growing market and funnel demand to US-based makers, direct beneficiaries are $AAOI, $COHR, $LITE, $GLW, $FN. This is a genuine regulatory catalyst, not generic sector sympathy off Monday’s Iran de-escalation, which is how this was first characterized here this morning before the specific driver was confirmed. The broader chip-equipment/memory basket (Marvell, SanDisk, Western Digital, Lam Research, and others still up 5-8% without their own fresh prints) is separate and does still read as Iran-de-escalation-driven sympathy.
🏗️ A mega-cap beat-and-raise morning: $PLTR and $CAT both posted major top-and-bottom-line beats with guidance raises. See Top Calls, this is today’s real signal, not the sympathy basket.
🔌 Second-degree AI read-through: $CAT’s Power & Energy segment (+17%, power generation specifically +29%) is explicitly tied to data-center buildout demand, a non-tech name capturing AI capex spend through power generation equipment, not chips.
Top Calls
$AAOI +17.4% (+20%+ intraday per some sourcing; up 60%+ from its recent lows) · regulatory · High, Direct beneficiary of the reported FCC plan to ban Chinese optical transceiver imports, a US-based maker of the exact hardware category the ban would protect. Not an earnings move (EPS/revenue surprise figures are stale prior-quarter data and don’t apply here).
$PLTR +15.3% · STRONG-borderline (70) · High, Adj EPS $0.41 vs $0.35 est (+18.5%), revenue $1.94B vs $1.80B est (+93% YoY), US commercial +149% YoY. Raised FY26 revenue guide from $7.65-7.66B to $8.15-8.16B, a real guide raise, not just a beat. 9th consecutive quarterly beat.
$CAT +11.5% · vol-gated SKIP, pending 9:30 confirmation · High, Adj EPS $8.17 vs $6.20 est (+31.8%), revenue $20.5B (+24% YoY, first quarter ever above $20B). Construction Industries +35%, Power & Energy +17% on data-center-tied power generation +29%. Raised FY26 revenue growth guide to mid-to-high-teens from low-double-digits.
$AMRC +39.8% · STRONG⭐ (75) · Medium, Continuing from yesterday’s after-hours print (revenue beat +10.6%, mixed EPS); premarket gap has extended sharply further this morning.
$W +18.9% · CAND+ (67) · Medium, Beat both lines by most accounts (EPS $0.95 vs $0.87 est, revenue $3.52B vs $3.45B est, +7.5% YoY), though sourcing disagrees on the exact surprise direction, see Setups.
AEIS * * + 14.8INSP +14.6% / LIFE * * + 23.1PAY +9.6% / $CTOS +10.1% · vol-gated SKIP, pending 9:30 confirmation · Medium, All five continuing from yesterday’s after-hours prints (see yesterday’s after-hours report for the original thesis on each); today’s premarket gaps are the cumulative move since yesterday’s regular close.
$GRAB +5.2% · news_driven, gap below scan threshold · Medium, Revenue $997M +22% YoY, adjusted EBITDA +54% YoY to $168M, net income +571% YoY. Raised full-year guidance, announced a $750M buyback. Below the 8% scan gate but a genuinely strong print from a name whose stock already moved most of this yesterday (+5.1% regular session, +3% AH), today’s premarket gap is a small residual.
⚠ $DOCN −9.6% · earnings, Q2 2026 · High significance, negative, Not on the premarket up-only scan (a documented screen limitation, it only filters gap-UP moves). Genuinely strong print (revenue $281M +29% YoY beat, RPO $894M up 12x YoY, guidance raised) selling off on a real GAAP profitability wrinkle. See Setups for the full read.
The Setups
$AAOI
Applied Optoelectronics is the clearest single beneficiary of a reported FCC/Trump-administration plan to ban Chinese-made optical transceiver imports for AI data centers (Reuters). The policy targets next-generation transceiver modules on cybersecurity/data-leakage grounds; China’s Zhongji Innolight, which holds roughly 27% of global transceiver share, was placed on the Pentagon’s military-backed company list back in June. AAOI makes the same category of hardware domestically and would be a direct share-gain candidate if the ban lands. Up 60%+ from its recent lows on this and the broader optics move; today’s premarket gap alone is 17%+. $COHR, $LITE, $GLW, and $FN are moving on the same catalyst, with AAOI showing the largest percentage response of the group.
$PLTR
Palantir’s Q2 2026 was a clean double beat with a guidance raise across every key metric management gives. Adjusted EPS $0.41 vs. $0.35 expected, revenue $1.94B vs. $1.80B expected, revenue growth accelerating to 93% YoY. US commercial revenue specifically grew 149% YoY to $764M, up 380% since 2024. Management raised full-year 2026 revenue guidance from $7.65-7.66B to $8.15-8.16B and US commercial guidance from $3.22B to “in excess of” $3.42B, a real forward raise, not just a backward-looking beat. This is the 9th consecutive quarter of beating estimates.
$CAT
Caterpillar’s Q2 2026 beat was unusually large: adjusted EPS $8.17 vs. $6.20 expected, a 32% surprise. Revenue $20.5B, +24% YoY and the first quarter the company has ever cleared $20B. Construction Industries led at +35% (North American construction demand +50%), and Power & Energy grew 17%, with the power-generation sub-segment, largely data-center-tied, up 29%. Management raised full-year revenue growth guidance to mid-to-high-teens from a prior low-double-digits target. The stock’s own relative strength has been weak coming in, so this reads as a reversal off underperformance more than confirmation of an already-strong trend, same shape as several other prints this cycle.
$AMRC
Continuing from last night’s after-hours print (revenue beat 10.6%, mixed EPS). The premarket gap has extended sharply since, from roughly 24% after hours last night to nearly 40% this morning, with the conference call’s color from yesterday now more fully priced in.
$W
Wayfair’s Q2 2026 beat both lines by most reporting: EPS $0.95 vs. $0.87 expected, revenue $3.52B vs. $3.45B expected (+7.5% YoY). One flag: sourcing disagreed on the exact EPS surprise direction and magnitude, and on the immediate market reaction, this wasn’t resolved before publish, so treat the specific beat percentage as approximate pending a cleaner read later today, not the headline beat-and-raise itself.
$AEIS / $INSP / $LIFE / $PAY / $CTOS
All five are continuing from yesterday’s after-hours prints, see yesterday’s after-hours report for each name’s original thesis (AEIS: FY26 growth target raised, data-center revenue +102% YoY structural story; INSP: EPS surprise +159% following a guidance-cut quarter; LIFE: large revenue beat, small-cap with elevated short interest; PAY: clean beat backed by strong existing trend; CTOS: EPS beat, call happened this morning). Today’s premarket gaps are each name’s cumulative move since yesterday’s regular-session close, not a new catalyst.
$GRAB
Grab’s Q2 2026 print was strong across the board: revenue $997M (+22% YoY), adjusted EBITDA +54% YoY to $168M, more than double the pace of revenue growth, meaning real operating leverage, not just top-line growth. Net income +571% YoY to $235M. On-Demand GMV +21% YoY to $6.5B with a record 54M monthly transacting users. Management raised full-year guidance and announced a $750M share buyback. Most of the move already happened yesterday (+5.1% regular session, +3% after hours); today’s premarket gap is a smaller residual on top of that.
$DOCN
DigitalOcean’s actual Q2 2026 numbers were strong: revenue $281M (+29% YoY, beat), RPO $894M (up 12x YoY, beat the company’s own pre-announced “>$800M” guide), AI Customer ARR +212% YoY to $234M, record $93M incremental ARR (+191% YoY). Full-year guidance was raised to $1.170-1.180B (30-31% growth), with Q3 guided even higher at 32-34% YoY. Despite all of that, the stock is down roughly 9.6% this morning. The specific wrinkle: operating income fell 18% YoY and net income fell 4% YoY even as adjusted EBITDA margin held at 40%, a real GAAP-vs-adjusted profitability gap inside an otherwise excellent print, combined with a stock that had already run ~150% YTD and pre-announced most of this good news on 7/7. Reads as sell-the-news on a real margin wrinkle, not a demand problem.
R10.1 Second-Entry Watch
$KNSA (STRONG⭐⭐ on 7/28) is at day 5 of its second-entry window today, the tail end of the days-4-6 range this framework watches.
Bottom line
Today’s highest-conviction print is $PLTR, a real guidance raise on top of a double beat, not just a number that cleared a bar.
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Not financial advice. For informational and educational purposes only.