The S&P 500 (GSPC) had its best month in 2017 in February 2017, returning 3.4%.

Xcel Brands (XELB) had the highest return in 2001 by a US stock, returning 10,000%.

The closing price for GameStop (GME) on January 28, 2021 was $49.36. It was down 31.9% for the day. The latest price is $20.73.

Tectonic Therapeutic (TECX) has had the highest return since January 1, 2024 by a US stock, returning 4,538,650%.

Microsoft (MSFT) returned 55.5% in 1997.

Microsoft (MSFT) returned 42.7% in 1995.

The S&P 500 (GSPC) had its best month in 2018 in January 2018, returning 5.2%.

The highest closing price for Flotek Industries (FTK) in 2005 was $66, on November 1, 2005. It was up 999,007.1% for the year. The latest price is $4.80.

The S&P 500 (GSPC) had its best month in 2019 in January 2019, returning 9.2%.

The lowest closing price for Flotek Industries (FTK) in 2005 was $0.006, on January 7, 2005. It was up 999,007.1% for the year. The latest price is $4.80.

The lowest closing price for Perspective Therapeutics (CATX) in 2005 was $0.03, on February 17, 2005. It was up 241,566.7% for the year. The latest price is $12.15.

The highest closing price for Perspective Therapeutics (CATX) in 2005 was $82.50, on December 15, 2005. It was up 241,566.7% for the year. The latest price is $12.15.

The highest closing price for Alaunos Therapeutics (TCRT) in 2005 was $2,400, on November 8, 2005. It was up 599,531% for the year. The latest price is $2.27.

The lowest closing price for Alaunos Therapeutics (TCRT) in 2005 was $0.08, on August 23, 2005. It was up 599,531% for the year. The latest price is $2.27.

Flotek Industries (FTK) had the highest return in 2005 by a US stock, returning 999,007.1%.