Top trades by New Zealand Sharesight users — July 2026

Welcome to the July 2026 edition of Sharesight’s monthly trading snapshot for New Zealand investors, where we look at the top 20 trades made by New Zealand Sharesight users. Below we will look at the top trades overall, plus the top trades in individual stocks, which allows us to observe the broader investment trends by Sharesight users in New Zealand, while also giving us an opportunity to zoom into the most popular stocks and the market-moving news behind them.

Top trades in July 2026

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NVIDIA (NASDAQ: NVDA) led July's top trades, followed by the Smartshares US 500 ETF (NZX: USF) and Rocket Lab (NASDAQ: RKLB), which ranked notably higher here than in either the Australian or global charts. Stocks and ETFs were evenly split across the top 20, with ten of each — a more balanced mix than the ETF-heavy Australian list or the stock-heavy global one. Mainfreight (NZX: MFT), the freight and logistics company, was the only locally listed New Zealand stock to make the list, closing out the top 20. Sell activity was most pronounced for Micron (NASDAQ: MU), which showed a markedly higher proportion of selling than any other holding.

Most-traded stocks in July 2026

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NVIDIA (NASDAQ: NVDA) again led the individual stock rankings, followed by Rocket Lab (NASDAQ: RKLB) and Taiwan Semiconductor Manufacturing (NYSE: TSM). Alongside local stock Mainfreight (NZX: MFT), New Zealand investors also traded Infratil (NZX: IFT) and The a2 Milk Company (NZX: ATM) in meaningful volume. ATM recorded the highest trade volume of any stock on the list, with almost no sell activity. Micron (NASDAQ: MU) showed the opposite pattern, continuing to post one of the highest proportions of sell activity in the top 20.

Let’s look at some of the market-moving news behind some of this month’s top stocks:

NVIDIA (NASDAQ: NVDA)

• NVIDIA plunges to lowest market cap since 2019 as investors pivot to memory and storage stocks
• Is NVIDIA undervalued?
• NVIDIA in talks to finance OpenAI

Rocket Lab (NASDAQ: RKLB)

• Rocket Lab shares fall 58% from 52-week high as US$8 billion Iridium Communications acquisition raises financing concerns
• Stock jumps 5% after Rocket Lab wins US$266 million US Air Force contract for at least 12 hypersonic test launches

Taiwan Semiconductor Manufacturing (NYSE: TSM)

• TSMC posts record Q2 earnings, with revenue up 36% year-on-year
• Shares fall 15% despite earnings beat, as investors balk at TSMC raising capex guidance to US$60-64 billion and committing US$100 billion to Arizona investment

Microsoft (NASDAQ: MSFT)

• Microsoft trades at its cheapest valuation in years ahead of latest earnings report
• Shares rocket 15.5% — the largest single-day jump in stock market history — as Azure revenue tops US$100 billion

SpaceX (NASDAQ: SPCX)

• SpaceX share price rises 16% as over 911 million shares become liquid
• Despite strong momentum in Q2, analysts are concerned about the stock’s long-term trajectory

Micron Technology (NASDAQ: MU)

• Micron exceeds Q3 estimates with revenue of US$41.5 billion
• Analysts predict Micron could return to all-time highs within months, as AI-driven demand keeps memory chip supply tight

Tesla (NASDAQ: TSLA)

• Tesla shares plunge 8% despite Q2 deliveries beating expectations
• Analysts predict Tesla stock could fall a further 10% by month's end

Amazon (NASDAQ: AMZN)

• Amazon stock stumbles on capex concerns, down around 16% from its May high
• Shares rise 3.25% as Prime Day delivers record spending and AWS growth accelerates on generative AI demand
• Amazon tops US$200 billion in quarterly revenue for the first time

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FURTHER READING

• Subscribe to Sharesight20 trading snapshots
• How Sharesight calculates your investment performance
• Sharesight users' top 20 trades – June 2026