newsletter
Wall St. Down Under
Issue #18 | Sunday, 6 September 2026
Wall St. Down Under
Independent financial education newsletter for Australians investing in US markets. Weekly insights on stocks, ETFs, currency, and tax — every Sunday.
market-moves
Bombs, Bonds, and Broadcom: What Moved Markets This Week | Week Ending 5 September 2026
US strikes on Iran, oil surge, a bond market refusing to calm down — and Broadcom printing the biggest custom AI chip quarter on record. Here’s what moved markets this week, and what it means if you’re holding US stocks from Australia.
playbook-series
The Silent Portfolio Killer: How Fees Compound Against You for Decades
A decision framework for Australian investors who want to stop leaking returns before they start chasing them.
investing-101
Bid-Ask Spreads and Liquidity: How Orders Are Executed
Last week we covered dollar-cost averaging — the strategy of buying regularly, automatically, and without emotion. This week, we open the hood and show you what actually happens to your money between the click and the confirmation.
stock-spotlight
AI Picks and Shovels (Arc 1: Forging the Brain): Taiwan Semiconductor Manufacturing (NYSE: TSM) — The Foundry
Nvidia designs the AI brain. TSMC is the only factory that can build it at the frontier, at scale. That is the whole case — and the whole risk.
newsletter
Wall St. Down Under
Issue #17 | Sunday, 30 August 2026
market-moves
Nvidia Delivers, The Fed Complicates Everything | Week Ending 29 August 2026
The AI earnings machine just printed $96 billion in a quarter. Then Kevin Warsh’s first Jackson Hole speech made clear the Fed still has work to do on inflation.
stock-spotlight
The AI Fabricator: Intel Corporation (NASDAQ: INTC) — 5 Billion Shares, Three That Matter
Intel’s turnaround runs through three unusual shareholders — the US government, Nvidia and SoftBank — who together still hold about 14% of the company. A foundry-ownership warrant, and a mid-August selloff on a SoftBank filing that changed no share count, show what that ownership now means.
investing-101
What is DCA and Why It Works
Dollar-Cost Averaging is the closest thing to a free lunch that the stock market offers — not because it beats the market, but because it beats the investor. Here’s the math, the method, and the discipline behind it.
stock-spotlight
Money in Motion (Part 3): Walmart (NASDAQ: WMT) — The Retailer That Decided to Become a Tech Company
Walmart is mid-transformation. The question isn’t whether it’s still a retailer — it clearly is. The question is whether its investments in advertising, e-commerce, and fulfilment infrastructure are building a second business or just buying time.
newsletter
Wall St. Down Under
Issue #16 | Sunday, 23 August 2026
market-moves
Bond Vigilantes Are Back — and Tech Is Paying the Price | Week Ending 22 August 2026
US bonds sold off to 19-year highs this week as fiscal deficit fears and AI capex concerns rattled markets. Tech led losses. Oil spiked. Next week brings Nvidia, PCE, and Jackson Hole — a trifecta that could reset the narrative.