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AI Stock News Briefing — Tuesday, July 28, 2026 at 6:15 AM

AI Stocks7/28/2026🕐 6:15 AM⏱ 9:20Market watchPre-market

Top stories, ranked by relevance.

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#1NVDA — Nvidia Explores $250 Billion Guarantee for OpenAI's Ohio Data Center

The Wall Street Journal reported Monday that Nvidia is in talks to backstop roughly $250 billion in financing for OpenAI's planned 10-gigawatt data center campus in Piketon, Ohio — a project that could cost more than $500 billion in total. Nvidia is separately discussing financing OpenAI's chip purchases for the same project, potentially adding another $350 billion to the arrangement. The circular-financing optics — Nvidia backing its own biggest customer — sent NVDA shares down roughly 5% on Monday.

#2NVDA / MU / AMD / TSM — AI Chip Stocks Hammered Premarket as SK Hynix, Samsung Collapse in Asia

A broad semiconductor selloff is hitting U.S. chip stocks hard Tuesday morning: Micron is down 4.4%, AMD is off roughly 3%, and Nvidia is slipping another 1.1% on top of Monday's 5% drop. The rout originated in Asia, where SK Hynix plunged as much as 13% and Samsung fell 10%, dragging South Korea's Kospi index down approximately 9%. Dual anxieties are driving the fear: the Nvidia/OpenAI circular financing deal and signs that Chinese AI competition is narrowing the gap faster than markets expected.

#3MSFT / META — Both Report After the Bell Wednesday; Capex Guidance Is the Real Test

Microsoft is expected to post Q4 FY26 EPS of $4.24 (up 16% year over year) on revenue of $87.6 billion, with Wednesday marking the first disclosure of fiscal 2027 capex guidance — the single most-watched number of the week. Meta is expected to deliver EPS of $7.18 on revenue of $60.2 billion (up 27%), with markets scrutinizing whether its $136.7 billion full-year capex target holds. After Alphabet's spending shock last week, investor tolerance for upside capex surprises is near zero.

#4GOOGL — Alphabet Q2 Beats on Revenue (+24%) and Cloud (+82%), But Record Capex Sinks Free Cash Flow

Alphabet reported last Tuesday: revenue of $119.8 billion (+24%), Google Cloud surging 82% to $24.8 billion, and EPS of $9.11 beating estimates. But quarterly capex hit $44.9 billion — pushing free cash flow to negative $5.9 billion — and the company raised full-year capex guidance to $195–$205 billion with a warning that 2027 spending will "increase significantly." Shares fell 3.65% after hours to $329.43 and the capex shock has set the tone for this entire Big Tech earnings cycle.

#5SK Hynix — HBM Giant Reports Q2 Today; Fixed-Price Contracts Cap Earnings Upside

SK Hynix reports Q2 2026 results today, with consensus around 65 trillion Korean won in operating profit — but at least one analyst projects the figure will land roughly 8% below that mark. The culprit: HBM memory pricing is locked into pre-negotiated contracts rather than floating at spot rates, capping upside even as AI demand surges. The stock already saw its worst Seoul session on record (down 15.4%) in mid-July on this same concern, and fell another 13% overnight Tuesday — dragging U.S. memory names, particularly Micron, down with it.

#6TSM — TSMC Raises 2026 Capex to $64B, Commits Additional $100B to Arizona

Reporting last week, Taiwan Semiconductor raised its 2026 capex guidance to $60–$64 billion (from roughly $56 billion) driven by AI chip demand, and committed an additional $100 billion to its Arizona operations — at least four new 2-nanometer fabs — bringing total planned U.S. investment to $265 billion. AI-related high-performance computing accounted for 66% of Q2 revenue. The announcements reinforce the structural AI demand thesis but amplify ongoing investor anxiety about the industry's aggregate capital commitments.

#7Anthropic / OpenAI — Anthropic IPO Roadshow Begins at $965B Valuation; OpenAI May Slip to 2027

Bankers leading Anthropic's IPO are now scheduling investor meetings, with CNBC reporting a potential October public debut at a valuation approaching $965 billion — above OpenAI's $852 billion — following a $65 billion funding round in May and a confidential S-1 filed June 1. OpenAI, which also filed confidentially in June, is reportedly reconsidering its timeline and may delay into 2027 amid choppy market conditions. Neither company is publicly traded; this is an IPO watch item only.

#8DDOG — Jefferies Downgrades Datadog to Hold After 94% YTD Rally

Jefferies analyst Brent Thill cut Datadog from Buy to Hold on July 21 after the stock surged 94% year to date, citing valuation fatigue: at roughly 18 times EV/CY27 revenue, Datadog trades at a steep premium to peers with little room for a miss heading into Q2 earnings. Thill simultaneously raised his price target from $210 to $280, making clear the downgrade is about price exhaustion rather than business quality. Shares fell about 2% on the news.

#9PLTR — Jefferies Turns Negative on Palantir Ahead of August 3 Earnings

Jefferies downgraded Palantir as part of its Q2 earnings preview, citing escalating year-over-year comparisons and growing competition in AI enterprise software — while in the same note upgrading Amazon and Microsoft. Palantir is down roughly 26% year to date despite a strong Q1 report, with Q2 results due August 3. The firm's relative-value call — bullish Big Cloud, bearish Palantir — is a clear statement about where Jefferies sees value in the AI software stack right now.

#10MU — Micron Price Targets Cluster Near $2,000 as AI Memory Supercycle Thesis Holds

Multiple Wall Street firms have dramatically raised Micron price targets recently: Barclays lifted its target to $2,000 from $1,175, Cantor Fitzgerald moved to $2,000 from $1,500, and KeyBanc set a $1,750 target in mid-July. The analyst average across 45 firms now sits at $1,492. The bull case centers on HBM demand from AI training and inference, a tightening DRAM market, and Micron's positioning in the supercycle. Today's 4.4% premarket decline is sentiment-driven — the fundamental disconnect with analyst conviction makes this one worth watching closely.

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