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On September 17, Coherent Corp. (NYSE:COHR) announced an upgraded Pluggable Optical Line System that covers the full C-band and fits in a compact QSFP module, the same slot ordinary transceivers use. That is a lot of networking gear shrunk into a plug, and it follows a quarter of 34% revenue growth. Here is what the […]

Coherent has seen a very sharp share price run over the past few years, which naturally raises a simple question for you as an investor: Does the current valuation really line up with the cash flows the business is expected to generate? Coherent has delivered a very large 3 year return of about 9x, which puts a lot of weight on whether its cash generation can keep backing that kind of market enthusiasm. The recent expansion of its pluggable optical line systems for AI focused datacenter...

Shares of materials and photonics company Coherent (NYSE:COHR) jumped 4.1% in the afternoon session after the company announced the expansion of its Pluggable Optical Line System portfolio designed to support artificial intelligence datacenter networks. According to a company press release, the expanded Pluggable Optical Line System portfolio features a full C-band, high-power variable-gain amplifier in a compact QSFP form factor. Designed for 800G ZR and ZR+ digital coherent optics, the hardwar

Photonics is emerging as a key AI infrastructure technology, with surging investments and growth projections fueling interest in ETFs.

COHR's fiscal Q4 revenues climb to $2.05 billion as datacenter and communications demand drive nearly 79% of sales and offset industrial weakness.

Major indexes edged lower as the yield on the 10-year Treasury note pushed past 5%. Markets have had a lot to digest this week: a quarter-point interest-rate hike, fluctuating fuel prices and big tech's P(doom)--aka the probability that AI results in a existentially catastrophic outcome, according to the Silicon Valley ecosystem.

Due to Coherent’s outperformance relative to the S&P 500 Index over the past year, analysts are bullish about the stock’s prospects.

Optics stocks are surging again while the broader market slides, and no earnings release or analyst upgrade explains the buying. Something else is pulling capital into this group, and the answer matters for anyone holding names that are already up triple digits this year.

As AI data centers shift from copper to optical connections, Lumentum and Coherent post strong earnings growth, with analysts maintaining Moderate Buy ratings on both stocks.

FEATURE Stock futures were rising on Friday, as investors carried on piling into tech following the Federal Reserve’s first interest-rate increase in more than three years. The artificial-intelligence trade still has legs, judging by premarket moves.

Gateway for "secret semiconductor substrate" InP (indium phosphide) is blowing minds with triple-digit growth

It’s been a difficult week for the performance of shares of optical networking companies as existential artificial-intelligence fears hit the stock market. Ciena stock rose 8.7% to $370.80 on Thursday and was one of the best-performing components in the for the trading session. Fellow optical networking stocks Corning and Coherent each advanced solidly while Lumentum added 0.2%.

Reaves W H & Co Inc’s second-quarter 2026 investor letter reports a 10.55% increase for its “Reaves Long Term Value Wrap Strategy,” outperforming the MSCI USA Infrastructure Index’s 6.31% decline. The letter can be downloaded here. Cash distributions grew 6.7% in the quarter compared to Q2 2025. Despite geopolitical uncertainty, investor sentiment remained strong. AI […]

Baron Capital, an investment management company, released its second-quarter 2026 investor letter for its “Baron SMID Cap ETF”. You can download the letter here. Baron SMID Cap ETF® (BCSM) gained 15.62% (NAV) in the second quarter, underperforming the Russell 2500 Growth Index’s 24.02% return. The trend towards “AI winners” continued, focusing on companies related to chips, […]

The ChatGPT developer warns that the AI industry won’t be able to scale at maximum speed much longer.

AXT Inc. (NASDAQ:AXTI) saw its share price climb by 11.49 percent on Wednesday to close at $64.30 apiece after it was named as one of the five semiconductor beneficiaries in the accelerating co-packaged optics sector. Following a five-day visit to Semicon Taiwan 2026, investment firm Needham & Company underscored the huge role of co-packaged optics […]

Needham calls CPO the most important technology transition for AI networking through 2028

The networking company also expects adjusted operating margins of 32% to 35% and free cash flow margins of about 20% by fiscal 2029.

Lumentum is the best-performing S&P 500 stock Wednesday, and Coherent isn’t far behind. Corning is seeing smaller gains.

AXTI's surging sales in Europe and Asia-Pacific are broadening its revenue base beyond China as InP demand and export approvals improve.

Coherent, Lumentum, and Applied Optoelectronics are surging together this morning with no shared headline, no analyst upgrade, and no product news to explain it, and the reason behind the correlated pop reveals something more telling than a simple good day for optics stocks.

Coherent happens to be one of the more relevant names in the AI data center boom yet COHR stock may be currently priced at a discount.

COHR's 24% pullback creates a buying opportunity as AI-driven demand, capacity expansion and stronger margins support its long-term growth story.

Ciena just bounced hard off a brutal month-long selloff, but Corning is barely moving while the broader market sits in the red. The divergence inside the optics sector points to something more specific than a simple reversal.

FEATURE Stock futures were falling on Tuesday as a rally in oil prices drove the yield to its highest level in more than 19 years. Chip and memory stocks were edging higher, having taken a battering on Monday after several top executives called for a slowdown in AI development.

The S&P 500 (^GSPC) is often seen as a benchmark for strong businesses, but that doesn’t mean every stock is worth owning. Some companies face significant challenges, whether it’s stagnating growth, heavy debt, or disruptive new competitors.

A surprise equity filing sent Corning to the bottom of the S&P 500 and pulled the entire AI optical sector down with it, raising a pointed question about whether a stock that surged 67% this year just flashed a warning sign for the broader hyperscaler buildout trade.

Microsoft stock rises even as the AI trade gets hit hard after the company releases its AI model code of conduct.

The S&P 500 Index ($SPX ) (SPY ) is down by -0.83% today, the Dow Jones Industrial Average ($DOWI ) (DIA ) is down by -0.53%, and the Nasdaq 100 Index ($IUXX ) (QQQ ) is down by -1.39%. E-mini S&P futures (ESU26 ) are down -0.80%, and September E-mini...

The technology sector is the S&P 500's worst performer today, down more than 2%. Here are some of the tech names getting hit hardest: Coherent, down 11%. Hewlett Packard Enterprise, down 11% Corning, down 11% Teradyne, down 11% Lumentum, down 8.