Pfizer Inc. (PFE) is currently at $35.20, down $2.99 or 7.82%

-- Would be lowest close since April 13, 2020, when it closed at $35.14

-- On pace for largest percent decrease since Jan. 26, 2009, when it fell 10.32%

-- On Friday, Pfizer Inc. reported that a study of a potential breast-cancer treatment was halted because it was unlikely to achieve its goal

-- Snaps a two day winning streak

-- Down 10.15% year-to-date

-- Down 29.65% from its all-time closing high of $50.04 on April 12, 1999

-- Down 16.02% from 52 weeks ago (June 3, 2019), when it closed at $41.92

-- Down 20.71% from its 52-week closing high of $44.40 on July 3, 2019

-- Up 23.57% from its 52-week closing low of $28.49 on March 23, 2020

-- Traded as low as $35.15; lowest intraday level since April 13, 2020, when it hit $34.72

-- Down 7.96% at today's intraday low; largest intraday percent decrease since March 16, 2020, when it fell as much as 9.35%

-- Worst performer in the DJIA today

-- Worst performer in the S&P 500 today

-- Second most active stock in the S&P 500 today

All data as of 10:44:32 AM

Source: Dow Jones Market Data, FactSet