Tectonic Therapeutic (TECX) has had the highest return this year by a US stock, returning 4,842,400%.

The closing price for Tesla (TSLA) in October 2022 was $227.54, on October 31, 2022. It was down 10.6% for the month. The latest price is $269.38.

QQQ has returned 18.8% since February 1, 2024.

The closing price for Royal Bank of Canada (RY) in June 2003 was $9.37, on June 30, 2003. It was down 0.6% for the month. The latest price is $124.05.

Advanced Micro Devices (AMD) had the highest return between December 7, 2005 and February 6, 2006 by a mega-cap US stock, returning 52.8%.

CSX (CSX) had the highest return between December 7, 2005 and February 6, 2006 by a US stock, returning 1,842.2%.

Axon Enterprise (AXON) had the highest return in 2003 by a US stock in the S&P 500 (GSPC), returning 1,933.8%.

Tractor Supply (TSCO) had the highest return in 2002 by a US stock in the S&P 500 (GSPC), returning 119.6%.

Axon Enterprise (AXON) had the highest return in 2004 by a US stock in the S&P 500 (GSPC), returning 358%.

Bank of America (BAC) returned -6.4% in June 2011.

Bank of America (BAC) returned -4.9% in May 2011.

Bank of America (BAC) returned 12.3% in October 2011.

Bank of America (BAC) returned -13.4% in October 2010.

Bank of America (BAC) returned -3.5% in October 2007.

Bank of America (BAC) returned -14% in October 2009.