Affirm (AFRM) had the highest return between July 1, 2023 and January 31, 2024 by a large-cap US stock, returning 162.2%.

QXO (QXO) had the highest return between July 1, 2023 and January 31, 2024 by a mid-cap US stock, returning 303.8%.

Sociedad Quimica y Minera de Chile SA ADR B (SQM) had the highest return between January 1, 2008 and August 31, 2008 by a large-cap US stock, returning 118.6%.

The closing price for Apple (AAPL) on December 31, 2020 was $129.64. It was down 1.1% for the day. The latest price is $233.16.

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Stifel Financial (SF) returned 31.5% in 2008.

Sorry, I couldn't find pricing data for that day. The closing price for Microsoft (MSFT) on December 30, 2022 was $235.95. It was up 0.7% for the day. The latest price is $417.06.

The closing price for NVIDIA (NVDA) on January 6, 2017 was $2.54. It was up 0.2% for the day. The latest price is $133.23.

The closing price for Bitcoin (BTC) on October 9 was $60,582.23. It was down 2.5% for the day. The latest price is $96,697.08.

Ross Stores (ROST) returned -11.8% in 2007.

Palantir Technologies Inc Class A Common Stock (PLTR) had its best month last year in November 2024, returning 60%.

Palantir Technologies Inc Class A Common Stock (PLTR) returned 346.2% last year.

Vertiv (VRT) had its best year between 2018 and 2024 last year, returning 246.7%.

Taiwan Semiconductor Manufacturing (TSM) has had its best year between 2018 and 2024 this year, returning 95.6%.