I recently noticed that the performance of Coherent stock is indeed worth paying attention to. The stock has increased by over 320% in the past year, far surpassing the industry average and the overall market performance, and the underlying logic is quite clear.

The core drivers come from the explosion in data center and communication businesses. Coherent's revenue in this segment grew by 33.5% year-over-year in the most recent quarter, accounting for 72% of total revenue. The growth mainly stems from the soaring demand for 800G and 1.6T optical transceivers, which are key components in AI infrastructure development. Meanwhile, the industrial business is also recovering, with strong order signals from semiconductor equipment customers, indicating that Coherent is shifting from traditional industrial applications to becoming a core participant in the AI revolution.

On the financial side, the company appears very solid. It has approximately $900 million in cash reserves, with debt just over $100 million, and a current ratio of 2.25, higher than the industry average of 1.59. More importantly, Coherent’s long-term debt ratio decreased from 34.9% last quarter to 27.4%, and its interest coverage ratio increased from 2.2 times to 2.5 times. This financial discipline has translated into tangible shareholder returns—over the past six months, Coherent rose by 178.6%, while Wolfspeed fell by 28%, and ON Semiconductor only increased by 28%.

Interestingly, Coherent’s competitors are either mired in the capital swamp of EV powertrains or under significant financial pressure. In contrast, Coherent, with a solid balance sheet, has gained greater flexibility and easier access to financing in this round of AI infrastructure investment.

From a growth outlook perspective, the prospects are also promising. Market expectations project Coherent’s revenue this year at $6.9 billion, up 19.4% year-over-year, with another 23.2% increase expected next year. More critically, earnings per share are expected to grow by 52.4% this year and 33.5% next year. Over the past two months, analysts have continuously raised their forecasts, with no downward revisions, which is quite rare and noteworthy.

Overall, with its diversified product line, vertical integration advantages, and domestic manufacturing capabilities, Coherent has secured a key position in the most promising AI data center sector. Its solid financials, strong growth, and clear outlook make it a stock worth adding to the watchlist.