September 'US Stock Market Curse' Looms, Market Pushed Toward Critical Tipping Point

September 1 news, according to CNBC, US stocks barely held their uptrend in August amid volatility, but analysts warn that with the S&P 500 stalling at highs, rising Treasury yields and valuation divergence in Nvidia have pushed the market to a critical tipping point. However, investors should not be fooled by this apparent "calm." Historical experience shows that September is often the worst month for US stocks, and in 2026, an election year, with strong prior market performance, seasonal factors may shift. Senior market commentator Michael Santoli said what truly warrants caution is that multiple key market indicators are in a "taut" state, and once thresholds are breached, the market's characterization will undergo a dramatic change. Currently, the market-implied probability of a September rate hike has risen above 50%.