TSX Movers: Top Gainers & Losers (September 27th)

Week Ending September 27th 2025

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  • The TSX held flat at 29,761 this week, up 20.4% YTD, as Canada’s July GDP rose 0.2%, its first monthly gain after three months of contraction.

  • Annual GDP growth of 0.9% beat forecasts, easing recession fears, while inflation stayed contained at 1.9%, within the BoC’s 1–3% target range.

CoreWeave gained 209%. We called it early.

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Here are some recent highlights:

✅ CoreWeave (before it soared 209%)
✅ Palantir (+441% this year)
✅ On Holding (+25%)
✅ Nova Ltd. (+13% so far)

And much, much more.

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Here's a summary of the top-performing and underperforming stocks on the Toronto Stock Exchange (TSX) over the past week:

📈 Top Gainers

Symbol

Name

Last Price (CAD)

% Change

DNTL-T

Dentalcorp Holdings Ltd

10.91

🟩🟩🟩 +31.76%

APM-T

Andean Precious Metals Corp

8.30

🟩🟩🟩 +15.28%

AYA-T

Aya Gold and Silver Inc

14.65

🟩🟩🟩 +13.30%

RIO-T

Rio2 Ltd

2.03

🟩🟩🟩 +12.78%

ABRA-T

Abrasilver Resource Corp

6.73

🟩🟩🟩 +12.17%

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📉 Top Decliners

Symbol

Name

Last Price (CAD)

% Change

LAC-T

Lithium Americas Corp

8.84

🟥🟥 -14.01%

ARA-T

Aclara Resources Inc

2.45

🟥🟥 -9.93%

ELVA-T

Electrovaya Inc

8.47

🟥🟥 -7.83%

LAR-T

Lithium Argentina Ag

4.94

🟥🟥 -7.14%

TOY-T

Spin Master Corp

19.64

🟥🟥 -6.92%

  • Dentalcorp Holdings (DNTL-T) will be acquired by funds affiliated with GTCR LLC in an all-cash deal valuing the company at $2.2B equity and $3.3B enterprise value, with support from its CEO, CFO, and key investors. Separately, Motley Fool highlighted CoreWeave (CRWV) as a high-risk, high-reward AI cloud stock, citing its 207% revenue growth, $30B backlog, Nvidia partnership, and aggressive data center expansion, with potential to grow tenfold over the next decade if execution succeeds.

  • Lithium Americas’ stock surged nearly 90% after reports that the U.S. government may take up to a 10% stake in the company as part of a $2.2B Department of Energy loan for its Thacker Pass project in Nevada. The move highlights Washington’s push to secure domestic lithium supply and reduce reliance on China, though it could dilute existing shareholders.

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