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Weekly Market Snapshot: Fed Hikes, Oil Above $100 and the TSX Finally Snaps Its Losing Streak (Sept. 15–19, 2026)

  September 19, 2026 It was the week everyone was waiting for. The Federal Reserve raised interest rates for the first time in three years — and almost immediately, markets started debating whether there's more to come. Meanwhile, oil pulled back from the week's highs but stayed well above $100 a barrel, and the TSX managed its first weekly gain after four straight weeks in the red. Here's everything that moved markets — and what it means for your wallet. 🍁 Canada — TSX Index Friday Close Week Change S&P/TSX Composite 35,806.65 +0.3% After four straight weeks in negative territory, the TSX finally caught a break — though "break" is generous. The index eked out a 0.3% weekly gain while closing Friday down 69.58 points (-0.2%), as rising bond yields and lingering energy-sector pressures kept the mood cautious on Bay Street. Financials were mixed: RBC edged slightly lower, TD rose 0.6%, but Fairfax Financial slid 2.6%. Gold miners pulled back after rallying shar...

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Alzheimer’s vaccines get a boost from new drug approval

 

After decades of disappointment and controversy, the field of Alzheimer’s disease research has finally seen a breakthrough with the approval of the first drug that targets the underlying pathology of the condition. 

Aducanumab, a monoclonal antibody that clears amyloid plaques from the brain, was granted accelerated approval by the US Food and Drug Administration in June 2021, despite mixed results from clinical trials and objections from some experts. 

The drug’s approval has rekindled interest in other therapeutic approaches that aim to prevent or slow down the progression of Alzheimer’s, such as vaccines that stimulate the immune system to attack amyloid or tau, another protein that accumulates in the brains of people with the disease. 

Several vaccine candidates are currently in various stages of development and testing, and some researchers are optimistic that they could offer a more effective and convenient way to treat Alzheimer’s than infusions of antibodies.


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