DoorDash to Buy Instacart for $17B as Alphabet Drops 15.8% & FTC Acts

Major corporate consolidation in San Francisco, a historic single-day stock sell-off for Mountain View-based Alphabet, federal scrutiny of algorithmic consumer pricing and gig-worker pay, and a morning earthquake near Hollister led regional coverage across San Francisco, Mountain View & Hollister, CA on Thursday, October 29, 2026.

DoorDash Announces $17 Billion Acquisition of Instacart

San Francisco-based delivery platform DoorDash announced Thursday a $17 billion acquisition adding 50,000+ stores to nearly 100,000 stores on Instacart, uniting two of the Bay Area's largest on-demand delivery companies, as reported by NBC Bay Area's Rob Wile (following initial reporting by The Information and The Wall Street Journal):

• Store Network & Membership Integration: Under the agreement, customers will be able to order groceries and retail items through DoorDash's delivery network, while Instacart shoppers gain access to more than 50,000 additional stores on top of the nearly 100,000 stores currently on the Instacart platform. Members of DashPass and Instacart+ will pay one combined membership fee instead of two.
• Brand Continuity & Market Reaction: DoorDash expects to keep the Instacart brand and its technology, and both companies will continue operating as separate and independent companies until the transaction closes. Shares of DoorDash gained more than 9% in pre-market trading Thursday, following a year in which its stock price had declined by roughly a third amid rising costs.
• Executive & Industry Context: "Over the last 14 years, Instacart has transformed online grocery by helping retailers of all sizes compete and grow, and joining forces with DoorDash allows us to do even more," said Chris Rogers, CEO of Instacart. According to Bloomberg data, DoorDash commanded roughly two-thirds of U.S. food-delivery volume as of 2024 and acquired UK-based Deliveroo last year, while Uber owns Postmates and Delivery Hero. Last month, DoorDash also settled with New York City regulators for $131.5 million to resolve allegations that it deprived delivery workers of millions of dollars in tips, stating at the time: "Simply put, we screwed up. Our mistakes meant some Dashers were underpaid or paid late. While these mistakes weren't intentional, that doesn't make them okay."

Alphabet Shares Plunge Up to 15.8%, Erasing More Than $550 Billion in Value

On Wall Street, shares of Google parent company Alphabet sank on Thursday—Down up to 15.8%, erasing over $550 billion in market cap amid $1 trillion AI commitments—putting the company on course for its worst single-day percentage drop and largest one-day market value loss in company history, and the second-largest single-day wipeout in market history behind Nvidia's $589 billion drop in 2025, according to NBC Bay Area's Steve Kopack:

• Search Ad Slowdown & AI Mode: Alphabet remains America's fourth-largest company by market value, with shares worth more than $3.4 trillion in total. However, its Wednesday quarterly financial report showed revenues and advertising sales falling short of Wall Street expectations. JPMorgan Chase analysts wrote Thursday morning that the "magnitude" of the slowdown in Google's search business was "steeper than expected." On the Wednesday investor call, Alphabet Senior Vice President Philipp Schindler noted that part of the search ad underperformance stemmed from Google's own "AI Mode" search feature generating fewer ads, adding that "ad experiments" in the feature have "shown promising results."
• AI Infrastructure Commitments & Broader Market Impact: While executives highlighted more than 1 billion users of the Gemini AI app, Alphabet disclosed it has committed to more than $1 trillion in multi-year spending agreements for AI infrastructure, energy, and leases, after projecting more than $200 billion in 2026 capital spending (double its 2025 total) and raising nearly $80 billion in capital in June. The sell-off dragged down the Nasdaq Composite index by 1.6%, the S&P 500 by about 0.6%, the Philadelphia semiconductor index by 1.6%, Microsoft shares by about 2% by 10:50 a.m. ET Thursday, and data-center construction equipment supplier Caterpillar by 9%.

FTC Orders Nine Companies to Disclose Algorithmic Pricing and Gig-Pay Data

In federal regulatory action directly affecting several Bay Area platforms, the Federal Trade Commission (FTC) announced 9 companies ordered to respond within 45 days on personal data pricing and gig pay, as reported by The Record's Suzanne Smalley and ABC7 News Associated Press writer Dee-Ann Durbin (with Rio Yamat):

• Targeted Companies & Scope: The FTC issued compulsory orders to DoorDash, Instacart, Uber, Lyft, Delta Air Lines, United, JetBlue, Walmart, and Target requiring detailed disclosures on whether ticket, ride-share, food-delivery, or retail prices vary from one consumer to the next based on loyalty programs, browsing history, or "analysis of personal data by superintelligence algorithms," as well as the "inputs, tools and procedures" used to set individual gig workers' compensation based on phone usage or ride-acceptance history.
• Chairman Ferguson & Corporate Responses: FTC Chairman Andrew Ferguson stated: "We intend to scrutinize the opaque methodology that some companies in these industries may be using to determine how much consumers pay or how much gig workers are paid for the same product or service." Ferguson noted the study replaces a July 2024 inquiry into 8 "middleman consultancies" (including McKinsey & Co., Accenture, and Revionics) whose preliminary findings were released by former Chair Lina Khan in January 2025, and follows an August proposed policy statement whose public comment period was extended until Nov. 21 as legislators in at least 30 states consider algorithmic pricing bills. In response, Delta said it has "zero tolerance for discriminatory or predatory pricing," JetBlue stated that "Fares are determined by demand and seat availability, and all customers have access to the same fares," and Walmart's CEO stated last month that the retailer does not use personal income, shopping history, or willingness to pay to set prices.

Preliminary 2.7 Magnitude Earthquake Strikes Near Hollister

In South Bay and Central Coast geological news, the United States Geological Survey (USGS) reported a 2.7 magnitude quake at 5:38 a.m., 7.3 miles southwest of Ridgemark and 8.4 miles south-southwest of Hollister on Thursday morning, according to NBC Bay Area.