Technology News 3 January 2026

AAOI stock jumps 14% to start 2026 as Applied Optoelectronics rides AI data-center demand

NEW YORK, Jan 3, 2026, 19:00 ET — Market closed Shares of Applied Optoelectronics rose 13.6% to $39.60 on Friday, the first U.S. trading session of 2026, after swinging between $35.82 and $40.06. The sharp move matters because investors are

4 January 2026

Artificial Intelligence·Data Centers·Investment·Stock Market·Technology

ACM Research stock jumps nearly 14% to start 2026 as chip rally lifts ACMR

NEW YORK, Jan 3, 2026, 19:00 ET — Market closed Shares of ACM Research, Inc. rose 13.76% on Friday to close at $44.88, their biggest daily gain in months, after trading between $40.86 and $44.99. The stock finished within 24

4 January 2026

Investing·Market News·Semiconductors·Stocks·Technology

Baidu stock jumps nearly 15% after AI chip unit Kunlunxin files for Hong Kong IPO

NEW YORK, Jan 3, 2026, 18:50 ET — Market closed Baidu’s U.S.-listed American depositary shares (BIDU) closed up 14.9% at $150.30 on Friday after the company said its AI chip unit Kunlunxin had filed for a Hong Kong listing. Baidu

4 January 2026

Artificial Intelligence·IPO News·Stock Market·Technology

Sandisk stock jumps nearly 16% as board addition caps strong start to 2026

NEW YORK, Jan 3, 2026, 18:49 ET — Market closed Sandisk Corp shares jumped 15.95% on Friday to close at $275.24, their best day so far this year, as the Nasdaq-listed flash-storage maker rode a rebound in chip-linked stocks. The

4 January 2026

Business News·Company Updates·Investing·Stock Market·Technology

Dow, S&P 500 snap losing streak as chip and AI stocks kick off 2026 with a rally

NEW YORK, Jan 3, 2026, 17:26 ET The Dow and S&P 500 ended higher on Friday to start 2026, snapping four-session losing streaks as semiconductor shares rallied, while the tech-heavy Nasdaq finished fractionally lower. Investopedia The early tone matters because

3 January 2026

AI Trends·Financial News·Investing·Stock Market·Technology

Reddit stock jumps as Needham calls it the “new homepage” for AI answers

NEW YORK, Jan 3, 2026, 16:19 ET — Market closed Reddit Inc. shares rose 5.3% in the last U.S. session, ending at $241.89 on Friday as investors leaned into a bullish analyst view that the platform is becoming a key

3 January 2026

Artificial Intelligence·Investing·Social Media·Stock Market·Technology

Confluent stock drifts after New Year’s open — the IBM deal deadline traders are watching

NEW YORK, Jan 3, 2026, 15:58 ET — Market closed Confluent shares slipped 0.4% to $30.11 at Friday’s close, after trading between $30.09 and $30.30. Volume was about 29.4 million shares. The stock’s day-to-day move matters now mostly for takeover

3 January 2026

Business Analysis·Financial News·Investing·Stock Market·Technology

Super Micro Computer stock jumps after $2B JPMorgan credit line filing — what SMCI watchers look for next

NEW YORK, Jan 3, 2026, 16:07 ET — Market closed Super Micro Computer, Inc. (SMCI) shares rose 5.8% on Friday to close at $30.96, after the server maker disclosed a new $2.0 billion revolving credit facility led by JPMorgan Chase

3 January 2026

Company Analysis·Financial News·Investing·Stock Market·Technology

Astera Labs (ALAB) stock jumps nearly 8% as chip rally kicks off 2026; insider sale notice filed

NEW YORK, January 3, 2026, 15:35 ET — Market closed Shares of Astera Labs (ALAB.O) ended Friday up 7.9% at $179.56 and last traded at $180.35 in after-hours activity, after the semiconductor sector rebounded to start 2026. The move came

3 January 2026

Financial News·Insider Trading·Semiconductors·Stock Market·Technology

Western Digital stock jumps 9% to start 2026 as AI data-storage trade stays in focus

NEW YORK, January 3, 2026, 14:25 ET — Market closed Western Digital (WDC.O) shares closed up 9% at $187.70 on Friday, outperforming the broader market on the first trading day of 2026. Barron’s The move mattered because investors have treated

3 January 2026

Artificial Intelligence·Investing·Stock Market·Technology

Data center stocks kick off 2026 with Vertiv jump after Barclays upgrade

NEW YORK, January 3, 2026, 12:56 ET — Market closed Data center stocks ended the first trading day of 2026 on Friday with a sharp split between infrastructure suppliers and real estate landlords. Vertiv Holdings (VRT) jumped 8.4% and Applied

3 January 2026

Data Centers·Financial News·Investments·Stock Market·Technology

Tech stocks today: Chipmakers jump, but Microsoft and Tesla weigh on Nasdaq

NEW YORK, January 3, 2026, 13:08 ET — Market closed Semiconductor stocks drove Wall Street’s first session of 2026, pushing a key chip gauge up about 4% and helping the Dow and S&P 500 finish higher, while declines in Apple

3 January 2026

Financial News·Investing·Nasdaq·Stock Market·Technology

Technology News 3 January 2026 - 4 January 2026