Which sectors underperformed this week?

TLDR

The weeks underperformers were AI and Layer?2 sectors, with DeFi also weak.

1. AI and Big Data fell about 26% week over week, the top loser per a weekly sector update.
2. Layer?2 tokens dropped ~6.71%, led by double?digit losses in several names per a sector snapshot.
3. DeFi declined ~5.65%, with broader altcoin weakness noted in the same snapshot.

Deep Dive

1. AI Drawdown

AI and Big Data saw the sharpest weekly decline, down roughly 26%.

• Coverage highlights the AI cohort as the weeks worst performer, with leadership names slipping to multi?month lows per a weekly sector update.
• Large caps across the market also struggled, adding to sector?wide pressure in risk assets per a weekly recap.

2. Layer?2 Weakness

Layer?2 sector indices declined around 6.71% this week.

1. Sector data points to broad L2 losses, with several tokens down 10%+ per a sector snapshot.
2. Macro context (thin liquidity, ETF outflows) kept risk appetite muted per a macro backdrop note.

3. DeFi Underperformance

DeFi fell about 5.65% on the week.

1. Broader altcoin segments (including DeFi and Memes) printed negative weekly moves per a sector snapshot.
2. The macro driver set (options expiry and holiday liquidity) capped rebounds per a market note.

Conclusion

AI, Layer?2, and DeFi led weekly underperformance, consistent with a risk?off tone driven by thin year?end liquidity and ETF outflows. If macro pressure eases and liquidity normalizes, sector dispersion could narrow; until then, monitor breadth and volume to identify stabilization.