Top Stock Gainers and Losers of September 2023

Editor’s Note: This article was partially generated by Wordsmith, an automated smart-text platform, using data from the Morningstar US Large-Mid Index and Morningstar Direct. It has been reviewed by Morningstar editors.

Best-Performing Stocks of September 2023

Dell Technologies DELL climbed 22.5%, bringing the stock up 75.4% for the year to date. The company’s stock ended the month with a Morningstar Rating of 2 stars, trading at a 50% premium to its fair value estimate of $46.

Splunk SPLK rose 20.6%, putting it up 69.9% for the year to date. The company’s stock ended the month with a Morningstar Rating of 3 stars, trading at a 2% premium to its fair value estimate of $144.

Corebridge Financial CRBG climbed 12.1%, leaving the stock up 6.2% for the year. Shares are 16% below their last high on Nov. 10, 2022.

Centene CNC rallied 11.7%, but shares were still down 16.0% for the year to date. Shares are 21.6% below their last high on Dec. 1, 2022. The company’s stock ended the month with a Morningstar Rating of 4 stars, trading at a 21% discount to its fair value estimate of $87.

CF Industries Holdings CF jumped 11.3%, leaving the stock up 2.2% for the year. Shares are 23.7% below their last high on Nov. 11, 2022. The company’s stock ended the month with a Morningstar Rating of 3 stars, trading at a 1% premium to its fair value estimate of $85.

Worst-Performing Stocks of September 2023

Dollar General DG slid 23.6%, leaving the stock down 56.8% for the year. Shares are 59.6% below their last high on Oct. 28, 2022. The company’s stock ended the month with a Morningstar Rating of 5 stars, trading at a 41% discount to its fair value estimate of $179.

Masimo MASI fell 23.3% and declined 40.7% in the year to date. Shares are 55.7% below their last high on April 21, 2023.

Block SQ fell 23.2%, leaving it down 29.6% from the start of the year. Shares are 50.8% below their last high on Feb. 2, 2023. The company’s stock ended the month with a Morningstar Rating of 4 stars, trading at a 47% discount to its fair value estimate of $83.

FMC FMC slid 21.7% and declined 45.3% year to date. Shares are 50.2% below their last high on Dec. 2, 2022. The company’s stock ended the month with a Morningstar Rating of 5 stars, trading at a 44% discount to its fair value estimate of $120.

SolarEdge Technologies SEDG slid 20.3%, leaving the stock down 54.3% for the year. Shares are 62.5% below their last high on Feb. 15, 2023. The company’s stock ended the month with a Morningstar Rating of 4 stars, trading at a 40% discount to its fair value estimate of $216.