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At the center of everything we do is a strong commitment to independent research and sharing its profitable discoveries with investors. This dedication to giving investors a trading advantage led to the creation of our proven Zacks Rank stock-rating system. Since 1988 it has more than doubled the S&P 500 with an average gain of +23.94% per year. These returns cover a period from January 1, 1988 through July 6, 2026. Zacks Rank stock-rating system returns are computed monthly based on the beginning of the month and end of the month Zacks Rank stock prices plus any dividends received during that particular month. A simple, equally-weighted average return of all Zacks Rank stocks is calculated to determine the monthly return. The monthly returns are then compounded to arrive at the annual return. Only Zacks Rank stocks included in Zacks hypothetical portfolios at the beginning of each month are included in the return calculations. Zacks Ranks stocks can, and often do, change throughout the month. Certain Zacks Rank stocks for which no month-end price was available, pricing information was not collected, or for certain other reasons have been excluded from these return calculations. Zacks may license the Zacks Mutual Fund rating provided herein to third parties, including but not limited to the issuer.
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View the Zacks #1 Rank List
Explore the top gainers and losers within the S&P500 index in today's session.
Stay informed about the performance of the S&P500 index one hour before the close of the markets on Thursday. Uncover the top gainers and losers in today's session for valuable insights.
S&P500 top gainers
To see the full list of S&P500 top gainers you can use our S&P500 top gainers page.
Top losers in the S&P500
Our S&P500 top loserspage will show you the full list.
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