This can help with sustainable growth but also increase the capital intensity of the business model. Capex may start to negatively affect free cash flow if it continues to increase despite strong revenue growth.

Price competition is also a risk. The cost of AI services could decrease as more companies release AI tools. That might make it difficult for hyperscalers to achieve a good ROI from their AI investments. This matters for S&P 500 as mega-cap tech stocks have large weights. The Dow Jones could be less affected, but a wobble in AI sentiment can impact market confidence overall.

S&P 500 Forecast: Bullish Structure Faces Valuation Risk
Valuations and Tariffs Pressure the S&P 500

Valuations and interest rates are among the biggest threats to the S&P 500. The index has a high weighting in tech and AI-linked stocks. These firms may benefit from productivity gains but they are also sensitive to higher yields. As Treasury rates go up, investors start questioning the value of future earnings.

Tariffs can also have an adverse impact on S&P 500 firms as many large companies have global supply chains. Higher import costs can lead to lower margins. Late deliveries can also affect production and sales. Inflation will likely remain elevated if companies pass the costs on to consumers. If they absorb the costs, earnings could come under pressure.

S&P 500 Eyes 8,000 After Breakout

The broader picture for the S&P 500 remains strongly bullish as seen in the daily chart below. The index formed an inverted head and shoulder pattern from January 2025 to June 2025. The breakout above 6,000 moved the index to 7,000.

But the correction from 7,000 to 6,000 formed a V-shaped recovery. This recovery has set the stage for a rally to 8,000.  Now, the index is retracing from the resistance of 7,600 back toward the buy zone in the short term. But the index faces a support at the 50-day SMA at 7,250.