Reguarly buying shares of growing companies can help you build wealth for retirement. The following stocks are surging toward new highs in 2025, but these two companies should continue expanding for many years, which could carry their share prices much higher.

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1. Roblox

Roblox (RBLX 0.64%) stock has rocketed in 2025, recently up 85% year to date and significantly outpacing the S&P 500's 6% return.

Investors have high expectations for the company's upcoming earnings report following the release of a popular game on the platform earlier this year. The higher share price could lead to volatility in the near term, but Roblox is proving to be a very popular entertainment platform for young people, which is pointing to more growth.

Roblox has more than 97 million daily active users who come to play games and socialize with others via their digital avatars. The company has a profitable business model coming together, where users can purchase virtual currency (Robux) that can be used to buy digital items like clothing and other accessories for their digital identities on the platform. Over the last year, Roblox generated $876 million in free cash flow on $3.8 billion of revenue.

Roblox is also developing other revenue streams that could grow the value of the platform. Big brands like Nike have built virtual worlds on Roblox. In 2024, Roblox released a study that showed 78% of users have a positive reception to brands that advertise on the platform. It's still early innings, but considering the success that other digital entertainment platforms like Netflix are having with digital ads, Roblox could have a huge revenue opportunity in advertising.

Roblox's daily active users grew 26% year over year in Q1, driving revenue up 29%. This naturally feeds a positive cycle of growth, as more users incentivize developers to make more content for the platform, which in turn attracts more users and grows revenue. The March release of Grow a Garden has been a hit, drawing more than 2 million users per day.

With steady growth in users, coupled with the emerging opportunity in advertising, Roblox stock could be a very rewarding investment over the long term.

2. Shopify

Shopify (SHOP -2.71%) is a ubiquitous e-commerce service that powers millions of businesses' online storefronts. The stock is up 3,700% over the last 10 years, yet it still controls a small slice of all online transactions.

The global e-commerce market is valued at more than $6 trillion and growing, according to eMarketer. In the U.S., this means only about 16% of retail sales are happening online, providing a long runway of growth for Shopify.

Shopify's gross merchant volume, or the total value of transactions across Shopify merchants, grew 23% year over year last quarter to $75 billion. The stock is an attractive investment due to the company's recurring revenue from subscriptions, in addition to other services, such as payment processing, shipping tools, capital lending, and more. Over the last year, Shopify generated $1.7 billion in free cash flow on $9.4 billion of revenue.

Shopify is often described as the operating system for e-commerce, since it offers just about everything a business needs to set up and manage its online operation. There could be new opportunities over time as technology continues to advance.

For example, social media platforms like Meta Platforms' Instagram are now becoming another place to shop, which opens up more opportunities for Shopify merchants to reach consumers. The market for social commerce is estimated to be worth $1.6 trillion in 2025 and is projected to grow at a 30% annualized rate through 2030, according to Mordor Intelligence.

Shopify's 27% year-over-year increase in revenue last quarter, on top of consistent double-digit growth for the last decade, reflects a solid competitive advantage and attractive return prospects. Shopify stock will likely outperform the S&P 500 over the next 20 years, given the tailwinds in a growing e-commerce market.