NASDAQ news today: BIIB hits 52-week high, most stocks fall
Most NASDAQ stocks fall: 19 of 30 close lower on 20 October 2026. The biggest moves, new highs and lows and heavy trading come first, then the trading days before, from our own price and volume data.
Top story · New high · 20 October 2026
Biogen Inc. (BIIB) closes at a 52-week high of $243.10
Its third new 52-week high in 5 sessions. Up 7.9% over 20 sessions.
United States stocks
Most NASDAQ stocks fall: 19 of 30 close lower
On 20 October 2026, 11 of 30 stocks on NASDAQ we track closed higher, 19 closed lower and 0 were unchanged. The median change was −0.12%.
Biggest gains with trading behind them
- Biogen Inc. (BIIB)+4.12%
- Telefonaktiebolaget LM Ericsson (publ) (ERIC)+3.00%
- Axon Enterprise, Inc. (AXON)+2.49%
Biggest falls with trading behind them
- SK hynix Inc. (SKHY)−2.16%
- Meta Platforms, Inc. (META)−1.59%
- Alphabet Inc. (GOOGL)−1.12%
Latest moves on 20 October 2026
Moves on 16 October 2026
- Datadog, Inc. (DDOG) falls 7.2% to $247.11Big move. Its biggest one-day fall in 2 months.−7.2%
- SK hynix Inc. (SKHY) falls 6.6% to $136.49Big move. Its biggest one-day fall in 5 weeks.−6.6%
- Micron Technology, Inc. (MU) falls 5.6% to $878.84Big move. Its biggest one-day fall in 8 weeks.−5.6%
- Lumentum Holdings Inc. (LITE) falls 5.2% to $824.13Big move. Its fifth straight daily fall.−5.2%
Moves on 14 October 2026
- Advanced Micro Devices, Inc. (AMD) falls 5.7% to $570.82Big move. Its biggest one-day fall in 2 months.−5.7%
- Apple Inc. (AAPL) closes at a 52-week high of $343.99New high. Its second new 52-week high in 5 sessions. Up 3.5% over 20 sessions.+0.8%
Moves on 13 October 2026
- Microsoft Corporation (MSFT) closes at a 52-week high of $543.45New high. Up 9.3% over 20 sessions. The previous highest close was $542.07 on 28 Oct 2025.+0.4%
- Apple Inc. (AAPL) closes at a 52-week high of $341.65New high. Up 3.1% over 20 sessions. The previous highest close was $341.07 on 25 Sept 2026.+0.2%
Read before you trade the move
United States stocks prices today · All market news
See a move you want to trade? Open the chart in Tradzy, let the Analyst Engine read it, and practise the plan with paper money first.
Open TradzyBuilt from Tradzy's own price and volume data. It reports what the market did and does not say why. Nothing here is financial advice. See the disclaimer.