US Market Key News Summary July 28, 2026

Market Outlook Today

US ADP Employment Change

US Initial Wholesale Inventories

US S&P/Case-Shiller Home Price Index

Earnings Reports: Boeing, Corning, Coca-Cola, Seagate Technology

Nvidia Drops Nearly 5%, Reviving Concerns Over Chip Stock 'Circular Financing'

Nvidia (Nvidia) (NVDA-US) shares plunged nearly 5% on Monday (27th), dragging the entire semiconductor sector lower. As Nvidia's stock retreated, Apple (AAPL-US) surpassed it to reclaim its position as the world's most valuable publicly traded company. Other chipmakers also weakened, with AMD (AMD-US) falling over 5% on Monday. Memory manufacturers dropped sharply, including Micron (Micron) (MU-US) down over 2%, and SK Hynix (SK Hynix) (SKHY-US) plunging more than 7%. Read full article

China's DUV Mass Production Rumors Hammer ASML, Micron, SK Hynix ADRs, SanDisk

China's semiconductor industry announced two major developments on Monday (27th): first, memory chipmaker ChangXin Memory Technologies (CXMT) surged 466% on its first trading day in Shanghai; second, reports emerged that China has begun producing self-developed immersion deep ultraviolet (DUV) lithography machines. Both developments signal an accelerated localization of China's chip supply chain, prompting markets to reassess the competitive landscape of the global memory and semiconductor equipment industries. Read full article

Is a US Market Rally Coming? JPMorgan's Mysterious Indicator Flashes 'Buy Signal'

JPMorgan Chase stated its internal market indicator has now flashed a 'buy signal,' which historically suggests the S&P 500 Index is likely to rise. Led by Andrew Tyler, JPMorgan's Global Market Intelligence team noted their 'Tactical Positioning Monitor' indicates the S&P 500 has 'significant upside potential.' Despite risks from overcrowded semiconductor stock trades and ongoing US-Iran conflict developments, the team remains optimistic about the short-term US market outlook. Read full article

Nvidia's $750 Billion AI Bet Shakes Bond Market! Credit Risk Indicator Posts Record Gain

Reports surfaced that Nvidia (NVDA-US) is negotiating AI infrastructure deals totaling over $750 billion, sparking investor concerns that the chip giant may take on greater financial liabilities. This drove Nvidia's credit default swap (CDS) prices to their largest single-day gain since active trading records began on Monday (27th). According to ICE Data Services, the cost of five-year default protection on Nvidia's debt rose approximately 0.14 percentage points intraday, peaking at around 0.82 percentage points annually. Read full article

Trump Says US-Iran Deal 'Highly Possible,' Downplays Concerns Over Declining US Ammunition Stockpiles

The US and Iran continued to pause military operations on Monday (27th), causing international oil prices to drop significantly. US President Trump stated that diplomatic talks are underway between the US and Iran, with a deal 'highly possible,' though military action remains an option. At the same time, Trump insisted the US military has sufficient weapons, and ammunition stockpiles are adequate to sustain prolonged conflict. Read full article