By Brian Manby, CFA, Associate, Investment Strategy To the casual equity market observer, 2023 has been an excellent year. The S&P 500 is up 13.07% through September, while the technology-heavy NASDAQ surged 35%. But therein lies the problem. Excitement surrounding artificial intelligence (AI) has sent large-cap tech companies soaring despite corresponding increases in real interest rates, which normally weigh on prospects [...] The post How Concentrated Are Equity Markets These Days? appeared first on ETF Trends .