Is the Stock Market Getting Ahead of Itself?

Equity markets have been on a tear. The S&P 500 is flirting with record highs after a rare nine-week winning streak, powered by AI-fueled earnings and growing optimism around a potential Iran deal. The macro backdrop looks reasonably healthy — but beneath the surface, valuations are stretched, oil is hovering near $100, and the Strait of Hormuz remains closed. So the question investors should be asking is this: has the market priced in too much good news?

Don’t Overthink the Valuation Question

The instinct to fixate on valuation metrics like the P/E ratio is understandable — but misplaced when it comes to market timing. Historically, these tools tell you a lot about long-term return potential and downside risk; they tell you very little about what happens next month. The S&P 500’s P/E near 21 isn’t indefensible — solid earnings growth and a resilient U.S. economy provide reasonable cover. But sustaining that multiple requires cooperation from the macro environment, particularly on inflation (read: oil prices) and interest rates. If those inputs don’t improve, expect modest returns in the back half of the year — with a few bumps along the way.

The AI Story Isn’t Slowing Down

Whatever skeptics say about timing and return-on-investment, the numbers keep coming in strong. Mega-cap tech and the hyperscalers continue to post compelling earnings, and — more importantly — capital expenditures are accelerating. AI infrastructure spending is expected to surpass $750 billion this year, up roughly 50% since the start of 2026. Big moves in semiconductor and IT hardware stocks over the past week alone suggest the market may still be underestimating the sheer scale of what’s being built.

This creates an interesting tension: while headline index valuations look elevated, parts of the technology sector may actually be undervalued relative to their long-run growth potential. Widespread skepticism about AI’s productivity payoff leaves real room for upside surprises. That said, the surge in capex has weighed on free cash flow — which becomes a genuine risk if those productivity gains take longer to materialize than expected.

The Bottom Line

The market’s path forward runs through the same intersection it always has: valuations versus earnings growth. With multiples already elevated and inflation sticky, there isn’t much room for further P/E expansion — which means earnings have to carry the load. AI remains a powerful tailwind for both corporate profits and broader economic activity, and the long-term case for staying invested holds. But enthusiasm has a way of outrunning reality, and right now the optimism around AI may be doing exactly that. In this environment, discipline around diversification and risk management isn’t just prudent — it’s essential.

As always, please reach out to me with questions.

Adam Vartanyan, CFP®

Important Information

This material is for general information only and is not intended to provide specific advice or recommendations for any individual. There is no assurance that the views or strategies discussed are suitable for all investors or will yield positive outcomes. Investing involves risks including possible loss of principal. Any economic forecasts set forth may not develop as predicted and are subject to change. References to markets, asset classes, and sectors are generally regarding the corresponding market index. Indexes are unmanaged statistical composites and cannot be invested into directly. Index performance is not indicative of the performance of any investment and do not reflect fees, expenses, or sales charges. All performance referenced is historical and is no guarantee of future results. All data is provided as of June 1, 2026. The P/E ratio (price-to-earnings ratio) is a measure of the price paid for a share relative to the annual net income or profit earned by the firm per share. It is a financial ratio used for valuation: a higher P/E ratio means that investors are paying more for each unit of net income, so the stock is more expensive compared to one with lower P/E ratio. Earnings per share (EPS) is the portion of a company’s profit allocated to each outstanding share of common stock. EPS serves as an indicator of a company’s profitability. Earnings per share is generally considered to be the single most important variable in determining a share’s price. It is also a major component used to calculate the price-to-earnings valuation ratio. All index data from FactSet. There is no guarantee that a diversified portfolio will enhance overall returns or outperform a non-diversified portfolio. Diversification does not protect against market risk. Past performance does not guarantee future results. Asset allocation does not ensure a profit or protect against a loss. This research material was prepared by LPL Financial, LLC.