TSX close — Thursday, 21 August 2025

TSX closed down 0.29%

TSX treemap for Thursday, 21 August 2025: each company sized by market capitalisation and coloured by its move that day

TSX movers — August 21, 2025

Of the 701 companies tracked in the TSX, 411 rose and 186 fell, with 104 unchanged. Materials led the day at +2.09%, while Consumer Discretionary lagged at -0.87%.

Top gainers · TSX

AVL.TO AVALON ADVANCED MATERIALS INC +25.00%
SAU.TO ST AUGUSTINE GOLD AND COPPER LT +14.63%
XTRA.TO XTRACT ONE TECHNOLGIES INC +13.64%
TSK.TO TALISKER RESOURCES LTD +13.33%
EDT.TO SPECTRAL MEDICAL INC +11.50%
SVA.TO SERNOVA BIOTHERAPEUTICS INC +11.11%
EFR.TO ENERGY FUELS INC. +10.40%
SHLE.TO SOURCE ENERGY SERVICES LTD +10.00%

Top losers · TSX

BKI.TO BLACK IRON INC -14.29%
GRN.TO GREENLANE RENEWABLES INC -14.00%
GVC.TO GLACIER MEDIA INC -11.76%
RVX.TO RESVERLOGIX CORP. -9.09%
EGLX.TO ENTHUSIAST GAMING HOLDINGS INC -9.09%
GEC.TO GLOBAL EDUCATION COMMUNITIES CO -8.89%
FLT.TO VOLATUS AEROSPACE INC -8.66%
PYR.TO PYROGENESIS INC -7.69%

By sector

Materials +2.09%
Healthcare +1.56%
Energy +1.09%
Unknown +0.90%
Industrials +0.29%
Communication Services +0.29%
Utilities +0.22%
Financials +0.16%
Consumer Staples +0.07%
Real Estate -0.10%
Technology -0.47%
Consumer Discretionary -0.87%

Open the interactive TSX map ← 20 Aug 2025 22 Aug 2025 →All sessions

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

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