The best way to grow your investment portfolio is to park your money in promising growth stocks. The US market offers a plethora of choices when it comes to growth stocks. You must carefully review these businesses to determine which has the right attributes for long-term capital appreciation. Characteristics to look for include a strong, robust business model, a track record of growing revenue, profits, and free cash flow, and sustainable catalysts that can take the business to the next level. With this list in mind, here are four promising US growth stocks that could make it to your buy watchlist.

Shopify (NYSE: SHOP)

Shopify offers a cloud platform with tools and help for budding entrepreneurs and homeowners to set up online businesses. The company provides essential internet infrastructure to enable these businesses to get off the ground, market themselves, and scale their presence. Shopify reported a robust set of earnings for 2024 with revenue jumping 25.8% year on year...