A brutal reality check is sweeping through Silicon Valley and Wall Street alike: after months of unbridled enthusiasm, investors are demanding that artificial intelligence actually deliver on its promises. The result has been a tech selloff that sent the Nasdaq tumbling 2.2% on Tuesday, June 23, with semiconductor and AI stocks bearing the brunt of the damage.

The selloff marks a significant psychological shift in markets that had embraced AI spending as an unquestionable positive. Now, as companies like Nvidia, Alphabet, and SpaceX see billions evaporate from their valuations, the question haunting boardrooms is simple: Where are the profits?

From Euphoria to Skepticism

For much of the past year, the mere mention of artificial intelligence was enough to send stock prices soaring. Companies that announced AI initiatives saw their valuations balloon, while chipmakers like Nvidia and Broadcom became some of the most valuable companies on Earth.

But sentiment has shifted dramatically. Meta Platforms and Microsoft have entered bear market territory—down more than 20% from their recent peaks—as investors grow impatient waiting for AI investments to translate into bottom-line results.

SpaceX's Post-IPO Turbulence

Perhaps no company better illustrates the changing mood than SpaceX. After its highly anticipated initial public offering earlier this month sent shares above $200, the stock has retreated sharply. On Monday alone, SpaceX shares plunged 16% as investors questioned whether the company can justify its $2 trillion-plus valuation.

The space and AI company closed Tuesday at $156.11, ticking up slightly from Monday's carnage but still well below its post-IPO highs.

Global Contagion

The selloff wasn't contained to American markets. South Korea's Kospi tumbled 10%, triggering circuit breakers, while $2.5 billion in foreign capital fled the country's technology sector. Asian and European markets followed suit, creating a truly global tech rout.

The Philadelphia Semiconductor Index fell 8% as memory chip stocks were hammered worldwide. Nvidia dropped 4.2% while Broadcom sank 3.1%, with disappointing AI outlooks from some manufacturers adding fuel to the fire.

Show Me the Money

At the heart of the selloff is a fundamental question about AI's commercial viability. New data from the Bank of America Institute reveals that only about 3% of its customers pay for AI services, with those users spending a median of just $20 per month.

While usage is growing quickly—households paying for AI services have jumped 38% since 2024—the numbers underscore the gap between AI's promise and its current revenue generation.

Analyst Perspectives

Capital Economics senior market economist James Reilly captured the mood in a client note, describing the selloff as "another illustration of rising volatility in these stocks, a result of what increasingly looks like frothy earnings expectations and/or valuations."

Nigel Green, CEO of financial consultancy deVere Group, offered a more sanguine view: "What we're witnessing now is investors demanding proof instead of promises. That shift can be uncomfortable, but it's ultimately healthy."

Rate Anxiety Compounds Problems

Adding to tech's woes is growing anxiety about interest rates. With the Federal Reserve signaling possible rate increases later this year, the high-growth, long-duration stocks that dominate the tech sector face additional headwinds.

Higher rates make future earnings less valuable in present-day terms, disproportionately impacting companies whose valuations rest on profits expected years or decades hence.

What Comes Next

Some analysts counsel patience, noting that the Nasdaq had gained 26% since late March and the semiconductor index had more than doubled over the same period. "Viewed through this lens, a period of consolidation is reasonable after such a sharp move higher," said Edward Jones analyst Brock Weimer.

But others warn that if AI fails to deliver meaningful returns on the hundreds of billions being invested, the current selloff could be just the beginning of a longer, more painful reckoning for the tech sector.