📊 Daily Gainers & Losers — Oct 06, 2026
📚 Past 3 days: 5 Oct · 2 Oct · 1 Oct
84/85 tickers with data (IFX: no data found, symbol may be delisted)
Top 5 Gainers
- 🟢 CIEN (Networking/Optical) +13.85% — $443.65 — Evercore ISI upgrade to Outperform ($550 PT) and BNP Paribas initiation; optical networking cast as key AI bottleneck
- 🟢 FN (Networking/Optical) +7.78% — $489.16 — Optical component maker riding AI networking demand; Q4FY26 earnings beat with 45% revenue growth
- 🟢 ALAB (AI/Accelerators) +7.58% — $389.80 — AI connectivity leader for rack-scale infrastructure drawing sustained institutional accumulation
- 🟢 NOK (Networking/Optical) +7.55% — $10.97 — Hit 17-year high on AI networking momentum; 49% jump in AI networking orders
- 🟢 NBIS (Neocloud) +7.44% — $249.87 — BNP Paribas Exane upgraded to Outperform with $399 price target; AI compute pricing power thesis
Top 5 Losers
- 🔴 STX (Memory) -9.18% — $805.63 — Toshiba plans to double HDD production for AI data centers, threatening HDD duopoly pricing power
- 🔴 WDC (Memory) -6.93% — $411.04 — Same Toshiba HDD capacity expansion overhang pressuring Seagate/WDC margins
- 🔴 SKHY (Memory) -6.39% — $182.56 — Broader memory sector weakness; chip demand concerns and memory pricing headwinds persist
- 🔴 CAMT (Semi Equipment) -4.63% — $154.55 — Caught in broader semi equipment sell-off amid geopolitical rotation and profit-taking
- 🔴 KLAC (Semi Equipment) -4.54% — $197.46 — Semi equipment weakness extending; part of broad semiconductor risk-off rotation
Notable: Networking/optical names swept the gainers board — CIEN, FN, AAOI (+7.07%), MTSI (+6.81%), GLW (+6.02%), MRVL (+5.81%), and CSCO (+4.54%) all posted strong green sessions. Memory names absorbed the heaviest blows on the Toshiba HDD overhang, while semi equipment (CAMT, KLAC, ONTO, LRCX, TER) saw continued de-risking.