Micron stock bucks market drop on $1.8 billion Taiwan fab buy as AI-memory squeeze tightens

Micron stock bucks market drop on $1.8 billion Taiwan fab buy as AI-memory squeeze tightens

Micron shares rose 0.6% to $365.02 by midday Tuesday after announcing a $1.8 billion cash deal to buy Powerchip’s P5 chip plant in Taiwan. TD Cowen warned that DRAM and NAND shortages are worsening as demand outpaces supply. Investors await deal approvals in Q2 2026 and Micron’s next quarterly update in mid-March.
Vistra stock price drops today as tariff threats shake markets — what to know about VST

Vistra stock price drops today as tariff threats shake markets — what to know about VST

Vistra shares fell 3.9% to $160.12 by midday Tuesday as power stocks slid during a broader Wall Street sell-off. The drop comes ahead of Vistra’s $2.25 billion debt deal closing Jan. 22 and follows President Trump’s tariff threats, which rattled markets and pushed the S&P 500 down 1.1%.
MARA stock slides as CEO Thiel trust flags share sale while bitcoin dips

MARA stock slides as CEO Thiel trust flags share sale while bitcoin dips

MARA shares fell 5.1% to $10.78 by midday Tuesday after a filing showed CEO Fred Thiel’s trust intends to sell 27,505 shares under Rule 144. Bitcoin dropped 3%, pressuring mining stocks. The planned sale, valued at $297,054, follows similar trust sales in November and December. Traders are watching for a follow-up insider filing and bitcoin’s next move.
AstraZeneca stock price slides as AZN sets Nasdaq exit, NYSE move dates

AstraZeneca stock price slides as AZN sets Nasdaq exit, NYSE move dates

AstraZeneca shares fell 4.4% to $90.23 Tuesday after the company said it will delist its American depositary shares from Nasdaq and move to a direct listing of ordinary shares on the NYSE starting February 2. The switch, set for after markets close January 30, comes as European stocks face pressure from U.S. tariff threats. AstraZeneca’s London shares also dropped 2.6%.
Super Micro (SMCI) stock slides as Citi trims target and tariff jitters hit AI hardware

Super Micro (SMCI) stock slides as Citi trims target and tariff jitters hit AI hardware

Super Micro Computer shares fell 4.2% to $31.28 after Citi cut its price target to $39. The drop followed broader declines in hardware and AI stocks amid tariff threats from President Trump and a Morgan Stanley downgrade of North American IT hardware. Super Micro reported $1.5 billion in revenue delayed to the December quarter due to configuration upgrades. Investors are watching for further downgrades and key economic data later this week.
ServiceNow stock swings after OpenAI tie-up hits tape — what traders watch next

ServiceNow stock swings after OpenAI tie-up hits tape — what traders watch next

ServiceNow shares slipped 0.1% to $127.18 midday Tuesday after announcing an expanded AI partnership with OpenAI. The deal will integrate OpenAI models, including GPT-5.2, into ServiceNow’s enterprise software with speech-to-speech tools and automation. The partnership spans three years and includes a revenue commitment. ServiceNow reports earnings Jan. 28.
Riot Platforms stock dips as bitcoin slides, even as Needham lifts target on AMD lease

Riot Platforms stock dips as bitcoin slides, even as Needham lifts target on AMD lease

Riot Platforms shares fell 2.8% to $18.70 Tuesday morning as bitcoin dropped 2.9% and crypto stocks sold off. Needham raised its price target on Riot to $30, citing a new 10-year data-center lease with AMD expected to generate $311 million in revenue. Riot recently bought land in Texas for $96 million, funded by selling 1,080 bitcoin. Investors remain cautious as Riot’s stock continues to track bitcoin’s moves.

Stock Market Today

Caterpillar stock price jumps 7% to $726 as Dow cracks 50,000 — what matters next week

Caterpillar stock price jumps 7% to $726 as Dow cracks 50,000 — what matters next week

7 February 2026
Caterpillar shares surged 7.1% to $726.20 Friday, driving the Dow above 50,000 for the first time. The move erased recent losses and followed insider selling by Group President Bob De Lange earlier in the week. Deere and CNH Industrial also gained as investors rotated into industrial stocks. Markets await next week’s U.S. jobs and inflation data.
Amazon stock slides as $200B AI spending plan meets cautious profit outlook

Amazon stock slides as $200B AI spending plan meets cautious profit outlook

7 February 2026
Amazon shares fell 9% Friday after the company announced plans for $200 billion in 2026 capital spending, mainly for AWS and AI, and issued a first-quarter profit outlook below estimates. The stock drop could erase $200 billion in market value. Fourth-quarter net sales rose 14% to $213.4 billion, while free cash flow declined due to higher spending on AI infrastructure.
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