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Both companies sell optical communications products for data centers and telecom networks, and both also sell laser-related products for industrial uses. They are competing for the same network builders and factory customers that need faster, more efficient light-based hardware.
As of May 5, 2026
For informational purposes only.
Coherent added another green day, climbing about 1.8% to around $336. Trading volume was a bit below its recent average, which suggests steady buying interest rather than a wild, news-driven spike. The bigger story is that this gain comes on top of a very strong run: the stock is up roughly 30% over the past month and almost 50% over the past two months.
In plain terms: the market is still leaning optimistic on Coherent’s AI-and-networking story, but the bar has moved higher. Moves in either direction are likely to feel bigger from here.
The main push looks more like “big-picture” forces than company-specific news.
First, technology and chip-related stocks are leading the market again. Indexes tied to semiconductors have just had one of their fastest 25‑day sprints since the dot‑com era. When chips and AI names run, investors often reach for the “picks and shovels” behind them — the hardware that feeds data into those AI chips. That’s exactly where Coherent sits, with its high‑end networking and optical gear.
