Weekly Theme Wrap (Nov 3 – Nov 7)

November 7, 2025 · #Semiconductor Equipment #Semiconductor Materials & Components #HBM (High Bandwidth Memory) #AI & Robotics #Battery #Glass Substrates #System Semiconductors #Power Equipment #Electric Cables #ChatGPT & AI Chatbots

5 trading days · top 10 themes — most persistent is Semiconductor Equipment at 3 days (weekly avg. +8.9%). Best single day this week: Nov 3, +42.9%.

Trading days5d Most days strong3d weekly avg.+8.9% LeaderKohYoungTechnology

Average change over the period

Average change of member stocks, by theme · descending
Semiconductor Equipment
+8.9%
Semiconductor Materials & Components
+6.0%
HBM (High Bandwidth Memory)
+5.3%
AI & Robotics
+25.4%
Battery
+9.4%
Glass Substrates
+8.7%
System Semiconductors
+6.6%
Power Equipment
+6.2%
Electric Cables
+4.7%
ChatGPT & AI Chatbots
+4.0%

Chip-related themes led the week of Nov 3 to Nov 7. Semiconductor Equipment was strong on 3 days and posted an average change of 8.86%. Its best day was Nov 6, at 9.65%.

The sharpest move came from AI & Robotics, where Nota was the only leader. The theme’s best change was 42.89%, on Nov 3, with an average change of 25.45%.

Semiconductor Materials & Components and HBM (High Bandwidth Memory) were also strong on 3 days each. Their average changes were 5.95% and 5.26%.

This Week’s Theme Ranking

ThemeDays strongWeekly avg.Best dayLast statusLeader
Semiconductor Equipment3d+8.9%2025-11-06 (+9.7%)recurredKohYoungTechnology, Robostar, EO Technics
Semiconductor Materials & Components3d+6.0%2025-11-06 (+7.4%)recurredHLB innoVation, Duksanhimetal, Ram Technology
HBM (High Bandwidth Memory)3d+5.3%2025-11-06 (+6.8%)recurredKohYoungTechnology, Ycchem, EO Technics
AI & Robotics2d+25.4%2025-11-03 (+42.9%)runningNota
Battery2d+9.4%2025-11-04 (+10.2%)recurredXavis, KEM Tech
Glass Substrates2d+8.7%2025-11-03 (+11.2%)recurredCHEMTRONICSCo, Pie
System Semiconductors2d+6.6%2025-11-06 (+9.8%)recurredAlphachips, Zinitix
Power Equipment2d+6.2%2025-11-03 (+9.4%)runningDawon Cable, Taihan Cable & Solution
Electric Cables2d+4.7%2025-11-03 (+6.6%)runningDawon Cable, Taihan Cable & Solution
ChatGPT & AI Chatbots2d+4.0%2025-11-03 (+5.8%)runningSKAI worldwide, Maum.ai

What to Watch Next Week

Power Equipment and Electric Cables were each strong on 2 consecutive days, both led by Dawon Cable and Taihan Cable & Solution. Their average changes were 6.15% and 4.72%.

Semiconductor Equipment and three other chip themes all had their best day on Nov 6. Next week’s data will show whether that strength lasts beyond Nov 7.

Theme heatmap

Themes × trading days · value is that day's theme average (%)
11-0311-0411-0511-0611-07
Semiconductor Equipment+8.9+8.0+9.7
Semiconductor Materials & Components+5.8+4.6+7.4
HBM (High Bandwidth Memory)+4.5+4.4+6.8
AI & Robotics+42.9+8.0
Battery+10.1+8.6
Glass Substrates+11.2+6.2
System Semiconductors+3.5+9.8
Power Equipment+9.4+2.9
Electric Cables+6.6+2.8
ChatGPT & AI Chatbots+5.8+2.1
Down UpBlank = not in that day's strong list