Deutsche Bank warns of "self-eating technology"! Except for Google, the AI ​​bubble has actually burst all over the place long ago

# Source: Wall Street Insights

By Long Yue

Deutsche Bank Warns of the Dawn of the "Tech Eats Itself" Era: AI Investments Shift from Broad Gains to Winner-Takes-All, Most Tech Stocks Plunge as Much as 80% from Highs. Beneath the surface prosperity, the S&P 500 is propped up solely by Alphabet—its stock has soared 75% in six months, adding a staggering $1.7 trillion to its market cap, while the other six members of the "Magnificent Seven" have all corrected by 5% to 25%. Deutsche Bank bluntly states that if more heavyweight stocks falter, risks will spill over to the macro level.

Beneath the market's apparent calm lies undercurrent turmoil. A latest research report from Deutsche Bank reveals a brutal truth: the AI investment frenzy has entered a phase of massive consolidation, and the index's prosperity may be sustained only by a single company.

According to information from the Zhuifeng Trading Desk, on February 4, Jim Reid, Head of Global Macro and Thematic Research at Deutsche Bank, and his team released a report titled *Tech Eats Itself*. The report points out that although the market has experienced a rollercoaster ride at the start of 2026 and returns across major asset classes have been decent, a drastic reshuffle is underway within tech stocks.

Deutsche Bank states outright in the report that while the S&P 500 remains near its all-time high, this is largely due to capital rotation into defensive sectors and the exceptional performance of individual tech giants. In the past few months, the market has clearly abandoned the belief that "every tech stock is a winner". Amid the emerging landscape of "genuine winners and losers", many targets exposed to AI, software, crypto, and private equity have seen "extremely brutal declines".

Reid presents a striking chart in the report (see below), detailing the pullback of selected U.S. tech stocks, related equities, and private equity firms with relevant exposures from their 52-week highs. The conclusion is straightforward: across the vast universe of "non-core heavyweights", many targets have pulled back by tens of percentage points, with the deepest drop approaching 80%.

## Alphabet: A Lone Savior? Masking the Severe Plunge in Tech Stocks

Data doesn't lie, but averages can obscure the truth. Deutsche Bank's research finds that while the "Magnificent Seven" index, representing the core tech assets of U.S. stocks, has only fallen about 1% from its peak overall, this is entirely a statistical "mirage".

The reality is that six of the seven Magnificent Seven companies have seen their share prices drop by 5% to 25% from their highs. So what is supporting the index? There is only one answer: Alphabet.

The report breaks down this data anomaly in detail:

- **Alphabet's counter-trend surge**: Alphabet's stock price has risen nearly 25% in the past three months; over a six-month horizon, the gain has hit an astonishing 75%.

- **Trillion-dollar market cap gain**: This 75% surge translates to a market cap increase of approximately $1.7 trillion.

- **A stark contrast**: To help investors grasp the magnitude of this figure, Deutsche Bank notes that most companies other than the Magnificent Seven in the chart have a market cap mainly in the tens of billions of dollars range, with only a handful reaching the hundreds of billions.

Jim Reid states bluntly in the report: "Alphabet's gains over the past six months alone have offset a large portion of the losses from the other companies in this group." This largely explains why the S&P 500 has managed to hover near its all-time high even as a flood of tech stocks face a sell-off.

## A Sea Change in Market Logic: From "Rising Tides Lift All Boats" to Winner-Takes-All

As early as November last year, in its *2026 World Outlook*, Deutsche Bank warned that while AI is transformative, identifying long-term winners in its early stages is little more than guesswork. Back then, the market seemed confidently certain it knew who the winners would be—and that confidence is now crumbling.

The report emphasizes that a decisive shift in market sentiment has occurred in the past few months.

"The market has clearly moved from a mindset of 'every tech stock is a winner' to a far crueler reality: a landscape of genuine winners and losers."

In this new market environment, what kind of companies can survive? Deutsche Bank reaffirms its long-held view: the real long-term beneficiaries will be those able to deploy truly effective AI tools. Such tools must possess the following traits:

- Ultimately become low-cost;

- Be scalable;

- Drive meaningful productivity gains.