Serve Robotics grew revenue 404% and cut 2026 guidance from 26 million to 9-10 million dollars in one quarter.

5 Best Small-Cap Humanoid Robotics Stocks — October 2026

$OUST $PRLB $ALNT $RR

https://www.smallcapscanner.com/blog/best-small-cap-humanoid-robotics-stocks-october-2026

Ambiq's score input says revenue -4.7%. Its Q2 filing says net sales up roughly 90%. Eight edge AI small-caps.

8 Best Small-Cap Edge AI Semiconductor Stocks — October 2026

$ALMU $AIP $VLN $MRAM

https://www.smallcapscanner.com/blog/best-small-cap-edge-ai-semiconductor-stocks-october-2026

The Fed hiked on September 16 and gold sits roughly 8% below a month ago. Before the hike, central banks bought a net 289 tonnes in Q2, up 62%.

8 Best Small-Cap Gold Stocks — October 2026

$CMCL $ELE $GAU $IDR

https://www.smallcapscanner.com/blog/best-gold-small-cap-stocks-october-2026

7 Best Small-Cap Nuclear & SMR Stocks — October 2026

$UROY $ASPI $ISOU $EU

https://www.smallcapscanner.com/blog/best-small-cap-nuclear-smr-stocks-october-2026

7 Best Small-Cap AI Infrastructure Stocks — October 2026

$ALMU $AIP $MXL $MRAM

https://www.smallcapscanner.com/blog/best-ai-infrastructure-small-cap-stocks-october-2026