On December 31, 1999, McDonald’s (MCD) had a market capitalization of $29.6B, based on 1.34B shares at a price of $22.03.

Southwest Airlines (LUV) had the highest return in 1977 by a US stock, returning 66.7%.

Portage Biotech (PRTG) had the highest return in 2000 by a US stock, returning 58,013.2%.

The closing price for the Dow Jones Industrial Average (DJI) yesterday was $43,229.35.

The closing price for Amazon (AMZN) in September 2003 was $2.42, on September 30, 2003. It was up 4.1% for the month. The latest price is $204.60.

The closing price for Alphabet Inc Class A (GOOGL) between 2009 and 2010 was $14.83, on December 31, 2010. It was up 92.5% in that time. The latest price is $178.09.

The closing price for the S&P 500 (GSPC) on March 31, 2023 was $4,109.31. It was up 1.3% for the day. The latest price is $5,909.61.

Vaxcyte  (PCVX) had the highest return between August 26, 2024 and September 7, 2024 by a large-cap US stock, returning 39.7%.

Error (ZVZZT) had the highest return between August 26, 2024 and September 7, 2024 by a US stock, returning 355.3%.

The closing price for Microsoft (MSFT) in January 2004 was $17.21, on January 30, 2004. It was up 0.3% for the month. The latest price is $417.64.

Amazon (AMZN) had the highest return in 1998 by a large-cap US stock, returning 970.8%.

Sorry, I couldn't find pricing data for that day. The closing price for the Nasdaq Composite (IXIC) on December 29 was $15,011.35. It was down 0.6% for the day. The latest price is $18,947.70.

The closing price for the Nasdaq Composite (IXIC) yesterday was $18,947.70. It was up 1.3% for the day.

Sorry, I couldn't find pricing data for that day. The closing price for the S&P 500 (GSPC) on December 29 was $4,769.83. It was down 0.3% for the day. The latest price is $5,909.61.

The closing price for Microsoft (MSFT) in January 2002 was $19.66, on January 31, 2002. It was down 4.4% for the month. The latest price is $417.64.