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Trump’s plan to ban Chinese optical transceivers (post dated 2026-08-04…

2026-08-04 · 17:36 UTC ·@Speculator_io ·1 min read

Brief

Trump’s plan to ban Chinese optical transceivers triggered a broad market rally on 2026-08-04 that lifted dozens of photonics and related semiconductor stocks (top moves: $SIVE +20.33%, $AAOI +17.31%, $LWLG +13.49%, $FN +13.27%, $COHR +12.53%). Lin (@Speculator_io) mapped potential winners into seven photonics layers (Materials, Tools, Lasers, Foundries, Testing, Optics, Networking) to show which suppliers and equipment vendors could benefit.

Why it matters

Trump’s plan to ban Chinese optical transceivers (post dated 2026-08-04 17:36:40+00:00) sparked a sector-wide rally led by $SIVE (Sivers Semiconductors) +20.33%, $AAOI (Applied Optoelectronics) +17.31%, $LWLG (Lightwave Logic) +13.49%, $FN (Fabrinet) +13.27% and $COHR (Coherent) +12.53%; the thread lists ~30 photonics/semiconductor tickers (down to $STM +3.97%).

Key details

  • Author Lin (@Speculator_io) outlined a "7 Layers of Photonics" taxonomy with example tickers: 1) Materials & Wafers ($AXTI,$ALMU,$TECK,$IQE,$WOLF), 2) Tools ($AIXA,$ALRIB,$VECO,$LRCX,$AMAT), 3) Lasers ($SIVE,$MTSI,$HIMX,$STM,$LASR), 4) Foundries ($TSEM,$FN,$XFAB,$SANM,$UMC), 5) Testing ($AEHR,$FORM,$COHU,$TER,$VIAV), 6) Optics ($LITE,$COHR,$POET,$AAOI,$LPTH), 7) Networking ($CRDO,$MRVL,$SMTC,$CIEN,$AVGO).
Source evidence

Trump’s plan to ban Chinese optical transceivers.

This just triggered a massive rally across the entire sector:

$SIVE Sivers Semiconductors +20.33%
$AAOI Applied Optoelectronics +17.31%
$FN Fabrinet +13.27%
$LWLG Lightwave Logic +13.49%
$COHR Coherent +12.53%
$POET POET +12.09%
$AEHR Aehr Test Systems +11.96%
$MRVL Marvell Technology +10.42%
$IQE IQE +10.07%
$WOLF Wolfspeed +9.51%
$TER Teradyne +9.58%
$LPTH LightPath Technologies +8.68%
$LASR nLIGHT +8.15%
$SOI Soitec +7.96%
$AMKR Amkor Technology +7.75%
$FORM FormFactor +7.67%
$ONTO Onto Innovation +6.86%
$LITE Lumentum +6.38%
$SMTC Semtech +6.31%
$SANM Sanmina +5.79%
$TECK Teck Resources +5.81%
$VIAV Viavi Solutions +6.23%
$CRDO Credo Technology +6.68%
$ALMU Aeluma +6.09%
$LRCX Lam Research +5.14%
$COHU Cohu +4.86%
$CIEN Ciena +5.33%
$VECO Veeco Instruments +4.57%
$MTSI MACOM Technology +4.40%
$AMAT Applied Materials +4.15%
$STM STMicroelectronics +3.97%

Lin (@Speculator_io)

The 7 Layers of Photonics

  1. Materials & Wafers: $AXTI $ALMU $TECK $IQE $LWLG $SOI $WOLF
  2. Tools: $AIXA $ALRIB $VECO $LRCX $AMAT $SHMN $ONTO
  3. Lasers: $SIVE $MTSI $HIMX $STM $LASR
  4. Foundries: $TSEM $FN $XFAB $SANM $UMC $GFS
  5. Testing: $AEHR $FORM $COHU $TER $VIAV $ASX $AMKR
  6. Optics: $LITE $COHR $POET $MEMS $AAOI $OPTX $LPTH
  7. Networking: $CRDO $MRVL $SMTC $CIEN $NOK $GLW $ALAB $ANET $AVGO

— https://nitter.net/Speculator_io/status/2046351195351011446#m