TSX close — Wednesday, 18 March 2026

TSX closed down 1.54%

TSX treemap for Wednesday, 18 March 2026: each company sized by market capitalisation and coloured by its move that day

TSX movers — March 18, 2026

Of the 715 companies tracked in the TSX, 142 rose and 485 fell, with 88 unchanged. Energy led the day at +0.01%, while Unknown lagged at -5.47%.

Top gainers · TSX

KRN.TO KARNALYTE RESOURCES INC +20.69%
TVA-B.TO TVA GROUP INC., CL.B, NV +11.54%
IVQ.TO INVESQUE INC CAD +8.33%
CWEB.TO CHARLOTTES WEB HOLDINGS INC +8.00%
BRAG.TO BRAGG GAMING GROUP INC +7.80%
GRN.TO GREENLANE RENEWABLES INC +6.67%
ILLM.TO iLLUMIN HOLDINGS INC +6.49%
DCM.TO DATA COMMUNICATIONS MGMT CORP +6.45%

Top losers · TSX

IAU.TO I 80 GOLD CORP -17.49%
SAM.TO STARCORE INTERNATIONAL MINES LT -15.66%
EDCU.TO EDGE COPPER CORPORATION -13.33%
BYD.TO BOYD GROUP SERVICES INC -13.17%
SEA.TO SEABRIDGE GOLD INC. -12.36%
DSV.TO DISCOVERY MINING LTD -11.96%
NG.TO NOVAGOLD RES INC. -11.85%
BU.TO BURCON NUTRASCIENCE CORPORATION -11.85%

By sector

Energy +0.01%
Utilities -0.63%
Communication Services -0.91%
Real Estate -1.07%
Financials -1.19%
Industrials -1.30%
Consumer Staples -1.39%
Technology -1.44%
Healthcare -1.87%
Consumer Discretionary -2.18%
Materials -5.33%
Unknown -5.47%

Open the interactive TSX map ← 17 Mar 2026 19 Mar 2026 →All sessions

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

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