"Closing milestones of the S&P 500"@en . . . . . . . . . "18105"^^ . "1118140632"^^ . "This article is a summary of the closing milestones of the S&P 500 Index, a United States stock market index. Since first closing at 16.66 on January 3, 1950, the S&P 500 has increased, despite several periods of decline."@en . . . . . . . . "This article is a summary of the closing milestones of the S&P 500 Index, a United States stock market index. Since first closing at 16.66 on January 3, 1950, the S&P 500 has increased, despite several periods of decline."@en . . . . . . . . . . . . . . . . "39386916"^^ . . . . . . . . . . . . . . .