Buying top companies that invest in fast-growing trends and holding them can create wealth for investors in the long run.
That’s why if you have $500 right now—after paying bills, saving up for hard times, and clearing high-interest debt—and are looking to put that money to work in the market, it might be a good idea to invest in stocks. Ciena (NYSE: CIEN ) and Dell Technologies (NYSE: DELL)individually or jointly.
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Let’s see why these two fast-growing companies can be the best way to invest $500 in the stock market.
Siena stock has grown a remarkable 435% in the past year. The company’s phenomenal rise is driven by strong demand for its optical network components, which are used in artificial intelligence (AI) data centers to enable faster connectivity over long distances. As a result, Sienna receives more orders than it fulfills.
The company reported a 33% year-over-year revenue increase in the first quarter of fiscal 2026 (which ended on January 31, 2026). Its adjusted earnings rose by 111% to $1.35 per share, driven by a favorable product mix and cost-cutting efforts. The good news for investors is that Sienna is confident that it can maintain its excellent growth in fiscal 2026.
It raised its full-year gross margin guidance by one percentage point. It now expects revenue to rise 28% this year to $6.1 billion, in the middle of its guidance range, up from an earlier expectation of $5.9 billion. Siena could easily exceed its updated guidance, as its order backlog at the end of last quarter was $7 billion. The backlog increased to $2 billion in fiscal Q1.
That’s why Sienna is able to achieve the 132% increase in earnings that analysts expect from the company this year. Don’t be surprised to see this strong growth lead to more upside in this tech stock, making it an excellent investment for growth-oriented investors.
AI has proven to be a powerful catalyst for Dell Technologies, a company traditionally associated with computers, peripherals, and server systems. Growing demand for Dell’s AI-optimized servers led to a 39% increase in the company’s revenue in Q4 2026 to a record $33.4 billion. That was better than Dell’s 19% annual revenue growth, which set a record at $113.5 billion.
