The retail buy-the-dip move paid off. What that crowd of investors is doing now, according to JPMorgan. - MarketWatch

1. Retail investors showed strong performance, aligning closely with S&P 500 gains. 2. JPMorgan reports retail investor portfolios up 15.1% since early April. 3. Market pullback observed as investors shift focus and profit-taking begins. 4. Walmart's mixed earnings impact retail sector outlook and S&P 500 sentiment. 5. Inflation volatility projected by Fed Chairman Powell could affect market dynamics.