TSX close — Friday, 21 August 2026

TSX closed up 0.35%

TSX treemap for Friday, 21 August 2026: each company sized by market capitalisation and coloured by its move that day

TSX movers — August 21, 2026

Of the 726 companies tracked in the TSX, 393 rose and 243 fell, with 90 unchanged. Materials led the day at +3.01%, while Utilities lagged at -2.07%.

Top gainers · TSX

APLI.TO APPILI THERAPEUTICS INC +50.00%
S.TO SHERRITT INTL RV +42.86%
CNT.TO CENTURY GLOBAL COMMODITIES CORP +25.00%
ISO.TO ISOENERGY LTD +15.59%
LGO.TO LARGO INC +15.38%
TI.TO TITAN MINING CORPORATION +14.66%
CRWN.TO CROWN CAPITAL PARTNERS INC +14.55%
LAR.TO LITHIUM ARGENTINA AG +13.91%

Top losers · TSX

AVL.TO AVALON ADVANCED MATERIALS INC -29.66%
RTG.TO RTG MINING INC -20.00%
BU.TO BURCON NUTRASCIENCE CORPORATION -12.37%
BNKR.TO BUNKER HILL MINING CORP -10.41%
SEA.TO SEABRIDGE GOLD INC. -9.76%
HUT.TO HUT 8 CORP -9.14%
CSCI.TO COSCIENS BIOPHARMA INC -8.18%
TC.TO TUCOWS INC. -6.46%

By sector

Materials +3.01%
Unknown +1.21%
Consumer Discretionary +1.13%
Communication Services +1.10%
Industrials +0.61%
Energy +0.52%
Healthcare +0.50%
Financials +0.13%
Technology -0.20%
Consumer Staples -0.46%
Real Estate -0.84%
Utilities -2.07%

Open the interactive TSX map ← 20 Aug 2026 24 Aug 2026 →All sessions

The same session elsewhere: S&P 500 NASDAQ Dow Jones

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