NVIDIA Corporation

Alphabet Inc.

Tesla, Inc.

Berkshire Hathaway Inc.

This week Elon Musk became the first person whose fortune reached $500 billion, and on Friday it became known that Tesla shareholders are not ready to pay him a $1 trillion reward. Nvidia shares hit an all-time high, raising the company's capitalization above $4.5 trillion. Alphabet's stock posted its best quarter in 20 years, with the company's market value temporarily exceeding $3 trillion thanks to advances in Elon and a successful ruling in an antitrust case. You can read about the main events from September 29 to October 3 in our review.

Highlights of the week: Musk's bonus, US shutdown, Nvidia and Alphabet break records

Sirius XM Holdings Inc.

SiriusXM, one of Warren Buffett’s larger portfolio positions at Berkshire Hathaway, has <a href="https://www.fool.com/investing/2025/10/02/warren-buffett-is-one-of-the-worlds-most-successfu/">delivered</a>&nbsp;what the Motley Fool calls “lackluster” returns over the last five years. Analyst David Jagielski argues the company is "a value trap more than a compelling buying opportunity."

Mid cap SiriusXM among Buffett’s weakest performers, notes the Motley Fool

Occidental Petroleum Corporation

Rumble Inc.

American Outdoor Brands, Inc.

Aqua Metals, Inc.

Eos Energy Enterprises, Inc.

Fair Isaac Corporation

TransUnion

Sunrun Inc.

Absci Corporation

Daily review and forecast of events on the U.S. stock market from Mikhail Denislamov, Deputy Director of Freedom Capital Markets Research.

New York morning: shutdown vs. statistics - investors left without key data

Warren Buffett's investment company Berkshire Hathaway <a href="https://www.businesswire.com/news/home/20251002888575/en/Berkshire-Hathaway-Inc.-to-Acquire-OxyChem">has agreed to</a> buy the petrochemical business of oil company Occidental Petroleum. The amount will be $9.7 billion in cash.

Buffett will spend $10 billion on the chemicals business. This is his biggest deal in three years

Ilya Chernetsky is the creator of CoinKeeper, one of the most popular applications for keeping track of personal finances in Russia and the CIS, where more than 350,000 people analyze their expenses every month. In addition to Coinkeeper, Chernetsky advises startups on launching and monetizing mobile applications, gives lectures and trainings, and runs a Telegram channel called "Investment Rules". His new projects include an AI service for product analytics @heymetrics and a paywall optimization tool.

"I'm betting on what will be there in 5-10 years": Ilya Chernetsky's investment rules

GoldMining Inc.

Legendary investors argue over gold's value while major banks raise forecasts to $5,000 an ounce

Investor insurance: what do Buffett, Dalio and other gurus advise to do with gold?

Warren Buffett's Berkshire Hathaway is in talks to buy Occidental Petroleum's petrochemicals business for about $10 billion, sources <a href="https://www.wsj.com/business/deals/berkshire-hathaway-occidental-petroleum-deal-80a78f2e?mod=breakingnews">told</a> The Wall Street Journal. According to them, the deal may be announced in the coming days.

Buffett is discussing the biggest deal since 2022. What is he willing to spend $10 billion on?

U.S. stock values are now far outpacing economic growth

"The Buffett Indicator" hit a new record and reached 217%. Foreshadowing of a collapse or points of growth?

Jefferies Financial Group Inc.

Louisiana-Pacific Corporation

American Express Company

One of them is among the legendary guru's oldest investments

Three overvalued Buffett stocks: Morningstar names companies best to avoid

Berkshire Hathaway lags the S&amp;P 500 by five percentage points in stock performance in 2025

Analyst advised to buy Berkshire stock. Why is Buffett's departure not a threat to him?

BYD Company Limited

Omaha-based Orukul has been selling BYD stock since the summer of 2022 without explanation   

Buffett got out of BYD stock. They went up 4500% after his first investment 

UnitedHealth Group Incorporated

Berkshire Hathaway's $1.6 billion investment has spurred a surge in interest in the securities of the largest insurer