TSX close — Thursday, 23 October 2025

TSX closed up 1.05%

TSX treemap for Thursday, 23 October 2025: each company sized by market capitalisation and coloured by its move that day

TSX movers — October 23, 2025

Of the 703 companies tracked in the TSX, 448 rose and 169 fell, with 86 unchanged. Healthcare led the day at +1.79%, while Consumer Staples lagged at -0.18%.

Top gainers · TSX

DIAM.TO STAR DIAMOND CORPORATION +33.33%
MDNA.TO MEDICENNA THERAPEUTICS CORP +13.98%
MSV.TO MINCO SILVER CORP. +10.00%
SAM.TO STARCORE INTERNATIONAL MINES LT +10.00%
BSX.TO BELO SUN MINING CORP +9.68%
DII-A.TO DOREL INDUSTRIES INC., CL.A, MV +9.60%
SXGC.TO SOUTHERN CROSS GOLD CONSOLIDATE +9.08%
CFF.TO CONIFEX TIMBER INC +8.70%

Top losers · TSX

RTG.TO RTG MINING INC -25.00%
DND.TO DYE AND DURHAM LIMITED -16.73%
FSV.TO FIRSTSERVICE CORPORATION -9.73%
MAI.TO MINING AMERICAS INC -9.30%
HBP.TO HELIX BIOPHARMA CORP -8.33%
CWEB.TO CHARLOTTES WEB HOLDINGS INC -8.33%
SFD.TO NXT ENERGY SOLUTIONS INC -8.00%
S.TO SHERRITT INTL RV -7.14%

By sector

Healthcare +1.79%
Consumer Discretionary +1.48%
Unknown +1.35%
Technology +1.24%
Materials +1.11%
Energy +0.86%
Communication Services +0.49%
Financials +0.14%
Industrials +0.08%
Utilities +0.03%
Real Estate -0.16%
Consumer Staples -0.18%

Open the interactive TSX map ← 22 Oct 2025 24 Oct 2025 →All sessions

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

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