Alphabet Inc.

Tuesday, November 18 saw <a href="https://blog.google/products/gemini/gemini-3/">the</a> long-awaited launch of Gemini 3, Google's new version of AI, which has generated quite a bit of hype and rumors over the past month. Apparently, the rollout is going well and user feedback is mostly positive. That gave a boost to shares of parent company Alphabet, which were already up when it was revealed that they were <a href="https://www.cnbc.com/2025/11/14/warren-buffetts-berkshire-hathaway-reveals-new-position-in-alphabet.html">bought by</a> legendary investor Warren Buffett's Berkshire Hathaway fund in the third quarter. There is an interesting twist in the frenzied AI race: Gemini is clearly challenging the previously undisputed leader ChatGPT from OpenAI.

Okay, boomer: why Google is back in vogue

Berkshire Hathaway Inc.

Amazon.com, Inc.

Tesla, Inc.

The reshuffle was prompted by the rapid rise in Alphabet's stock, driven by a number of factors

The founder of Google has entered the top 3 richest billionaires in the world. Who has he displaced?

Alphabet securities rose by almost 7% in trading on November 19

Alphabet's stock has hit an all-time high. What does Wall Street like about its new AI model?

Gemini 3 release could be a new catalyst for Alphabet stock growth

Google revealed a new AI model amid growing competition with OpenAI. What does it mean?

Loop Capital upgraded its rating on shares of Google's holding company, Alphabet, and now advises buying them. The upgrade follows Warren Buffett's Berkshire Hathaway's reported purchase of a stake in Alphabet and comes amid a steady decline in technology stocks due to investor concerns about the overvaluation of AI companies.

'Waves of AI enthusiasm': Loop Capital advises buying Alphabet shares despite risks

One in two global fund managers sees an AI market bubble as the most dangerous risk

Google CEO: if the AI bubble bursts, everyone will suffer

The likely imminent release of Gemini 3.0 boosts investors' hopes for Google's future breakthroughs

Buffett has fueled the rise in Alphabet's stock. They may have a new reason for a record high

Shares of Google's holding company, Alphabet, soared 5.2% on the premarket on November 17 after Warren Buffett's Berkshire Hathaway disclosed a stake in the tech giant. Alphabet shares have gained 46% since the start of the year, comfortably outperforming the main U.S. index, the S&amp;P 500, which added 14.5%.

Alphabet shares jump after Berkshire Hathaway stake disclosure

Zillow Group, Inc.

Synopsys, Inc.

In the third quarter, AKR Invest stepped up its bets on bioinnovation, cryptoinfrastructure and artificial intelligence

Alphabet, Robinhood and Baidu: how Cathie Wood's portfolio changed in the third quarter

Shares of Alphabet, which owns Google, immediately entered the top 10 in terms of share in Berkshire's portfolio

Buffett's Berkshire added a new stock to its portfolio. It rose 38% in the third quarter

NVIDIA Corporation

Palantir Technologies Inc.

The biggest <a href="https://oninvest.com/article/glavnye-indeksy-ssa-pokazali-hudsee-padenie-za-mesac-investorov-volnuet-stavka-frs">sell-off</a> in U.S. stocks in a month gives investors a good buying opportunity ahead of the "Santa Claus rally," according to Wedbush analysts led by Dan Ives.

Wedbush advises buying stocks during a "mini panic" in the market. Why is he waiting for a rally?

Apple Inc.

Nebius Group N.V.

Ferrari N.V.

Bitcoin fell below $100,000 this week for the first time in more than four months, and Ark Invest head Cathie Wood cut her target price for it by 20% to $1.2 million by 2030, citing the rapid growth of stablecoins. "The Buffett Indicator and the Barclays Overheating Index warn that the U.S. stock market is overvalued. Meanwhile, shareholders agreed to a record $1 trillion compensation for Musk, and Apple is preparing for a $1 billion deal with Google to speed up Siri updates. The main events of November 3-7 are in our review.