{
  "id": 4971407,
  "title": "If the September Effect Hits Artificial Intelligence (AI) Stocks This Year, History Says This Is the Best Place to Hide",
  "url": "https://urgent.news/2026/09/01/if-the-september-effect-hits-artificial-intelligence-ai-stocks-this",
  "topic": "ai",
  "section": "AI",
  "published": "2026-09-01T23:30:00.000Z",
  "source": {
    "name": "Motley Fool",
    "slug": "motley-fool",
    "url": "https://www.fool.com/investing/2026/09/01/if-the-september-effect-hits-artificial-intelligen/?source=iedfolrf0000001"
  },
  "original_language": "en",
  "account": "The September Effect, a phenomenon observed in efficient markets, has consistently impacted stock prices since its discovery nearly a century ago. This effect manifests in the S&P 500, with an average negative return of approximately 1.1% during September. Although the precise reason remains elusive, the primary cause is attributed to the return of portfolio managers from summer vacations and their subsequent portfolio rebalancing, leading to increased selling pressure that drains liquidity.\n\nInvestors should be aware of the September Effect's influence, as it can affect even the most popular growth trades. In the context of artificial intelligence (AI) stocks, understanding this effect becomes crucial. The September Effect's historical impact suggests that AI stocks may experience a downward trend in September, making it a potentially favorable time to invest in defensive assets or sectors less susceptible to market volatility. As the calendar approaches Labor Day, investors should consider this historical trend when making strategic decisions regarding their AI stock portfolios.",
  "summary": "September is historically the weakest month in the stock market.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "Motley Fool",
        "title": "The 3 Best Artificial Intelligence (AI) Stocks for September",
        "url": "https://urgent.news/2026/09/02/the-3-best-artificial-intelligence-ai-stocks-for-september",
        "published": "2026-09-02T01:07:00.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}