United Airlines (UAL) has had the highest return since October 1, 2024 by a US stock in the S&P 500 (GSPC), returning 31.2%.

On March 31, 2009, American Airlines (AAL) had a market capitalization of $248.5M, based on 104.21M shares at a price of $2.39.

On March 31, 2008, American Airlines (AAL) had a market capitalization of $781.2M, based on 93M shares at a price of $8.40.

The closing price for American Airlines (AAL) in March 2008 was $8.40, on March 31, 2008. It was down 26.9% for the month. The latest price is $13.15.

The closing price for American Airlines (AAL) in September 2021 was $20.52, on September 30, 2021. It was up 2.5% for the month. The latest price is $13.15.

Microsoft (MSFT) had its best year since March 13, 1986 in 1987, returning 125.1%.

Amazon (AMZN) had its best year since May 15, 1997 in 1998, returning 970.8%.

The closing price for Bitcoin (BTC) in October 2010 was $0.20, on October 31, 2010. It was up 221.3% for the month. The latest price is $68,021.70.

The closing price for Bitcoin (BTC) in December 2010 was $0.30, on December 31, 2010. It was up 44.1% for the month. The latest price is $68,021.70.

Apple (AAPL) had its best month between 2020 and 2024 in August 2020, returning 19.5%.

Portage Biotech (PRTG) had the highest return in 1997 by a US stock, returning 199,900%.

The closing price for Bitcoin (BTC) in August 2011 was $8.79, on August 31, 2011. It was down 34.2% for the month. The latest price is $68,021.70.

The Nasdaq Composite (IXIC) has returned 278.1% between 2016 and 2024.

The closing price for Bitcoin (BTC) in August 2012 was $10.78, on August 31, 2012. It was up 15.3% for the month. The latest price is $68,021.70.

The closing price for Bitcoin (BTC) on August 27, 2012 was $10.61. The latest price is $68,021.70.