Moderna Closes Up Nearly 177%, Best Performer in the S&P 500 Today -- Data Talk Update

Moderna, Inc. (MRNA) closed at $174.38, up $111.42 or 176.97%

--Highest close since Feb. 15, 2023, when it closed at $177.28

--Largest percent increase on record (Based on available data back to Dec. 7, 2018)

--Up two of the past three days

--Up 218.1% month-to-date

--Up 491.32% year-to-date

--Down 64.01% from its all-time closing high of $484.47 on Aug. 9, 2021

--Up 548.49% from 52 weeks ago (Aug. 20, 2025), when it closed at $26.89

--New 52-week closing high

--Up 679.87% from its 52-week closing low of $22.36 on Nov. 20, 2025

--Traded as high as $176.66; highest intraday level since Feb. 15, 2023, when it hit $177.37

--Up 180.59% at today's intraday high; largest intraday percent increase on record (Based on available data back to Dec. 7, 2018)

--Today's preliminary volume is 186.5 million shares; highest trading volume on record (Based on available data back to Dec. 7, 2018)

--Best performer in the S&P 500 today

--Most active stock in the S&P 500 today

Data compiled by Dow Jones Market Data

Source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

August 19, 2026 16:18 ET (20:18 GMT)