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COHR

Growth

COHERENT CORP

Information Technology

Coherent Corp. develops, manufactures, and markets engineered materials, optoelectronic components and devices, and laser systems for the use in the industrial, communications, electronics, and instrumentation markets worldwide. It operates through three segments: Networking, Materials, and Lasers. The Networking segment offers transceivers, systems, subsystems, modules, components, optics, and semiconductor devices for datacenter and communications applications.

Close · 3M

+14.10%

COHR · 3M

+14.10%

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Held by 1 AI ETF

AIEQ0.040%

as of Jul 20

Signal performance

Each tracked ETF's moves on this stock, grouped by fund. Returns are measured from the signal date to the latest close — hypothetical, no commissions or slippage.

Buy signals4
Win rate0% (0/4)
Avg buy return-22.58%
AIEQnow 0.040% of fund5 signals

AIEQ · New entry · 1d

weight 0 → 0.050% (new)·stock up 2.8% in the 30 days before

Jul 1·entry $368.65·now $285.40Fresh

-22.58%
since Jul 1

AIEQ · Exit · 1d

COHR’s position in AIEQ demonstrated a sustained holding around 0.77% before a swift, complete removal from the portfolio on May 30th. This sharp exit, occurring as the stock traded at 89% of its 52-week high after a 359.9% gain over the past year, aligns with AIEQ’s dynamic, daily-rebalancing strategy, which utilizes IBM Watson NLP to assess sentiment and fundamentals for its broad market exposure. A potential shift in the underlying NLP's sentiment or a re-evaluation of fundamentals, such as a PER of 150.83 combined with a 5.26% ROE against the backdrop of considerable price run-up, could have triggered the decision by EquBot's risk overlay. Given its mandate to hold 140-180 US stocks and its high turnover, AIEQ’s manager, Amplify ETFs, is poised to quickly adjust positions when its AI model identifies a deterioration in conviction for a stock like COHR.

weight 0.770% → 0 (exited)·stock up 18.5% in the 30 days before

May 30·entry $362.90·now $285.40

-21.36%
since May 30

AIEQ · Weight decrease · 2d

COHR's high P/E ratio of 153.38 and 5.26% ROE, even with 18.0% revenue growth, likely presented a complex set of fundamental signals for EquBot's daily ranking, which blends fundamentals and sentiment analysis. AIEQ's portfolio manager, utilizing IBM Watson NLP for daily sentiment and fundamental analysis, initiated a consecutive weight decrease for COHR, from 0.78% on May 17th to 0.73% by May 20th. This reduction occurred as COHR traded at $358.50, nearing 89% of its 52-week high and following a +407.9% return over the past year. The daily rebalancing mechanism of this high-turnover fund, driven by the real-time ingestion of news, filings, and social posts across thousands of US equities, suggests that the AI detected a moderating sentiment or fundamental outlook for COHR, prompting a systematic reduction in exposure despite its recent price ascent.

weight 0.780% → 0.730% (-0.050 pp)·stock up 4.3% in the 30 days before

May 20·entry $358.50·now $285.40

-20.39%
since May 20

AIEQ · Weight increase · 2d

The AI ETF likely increased COHR's weight due to its strong 18.0% revenue growth in the Information Technology sector, signaling the algorithm's bullish forecast for future performance despite the high PER. The consecutive increases suggest the AI identifies a strengthening positive trend or expects continued operational improvements to justify the valuation. Retail investors should recognize this is a high-growth, high-valuation play, where the AI is anticipating significant future returns. They should conduct their own research into COHR's growth sustainability and competitive advantages, understanding the elevated risk associated with such a high Price-to-Earnings ratio.

weight 0.690% → 0.820% (+0.130 pp)·stock up 31.4% in the 30 days before

May 14·entry $404.94·now $285.40Fresh

-29.52%
since May 14

AIEQ · Weight decrease · 2d

The AI ETF likely reduced COHR's weight due to its extremely high PER of 208.16 coupled with a very low ROE of 3.57%, signaling significant overvaluation and weak profitability despite decent revenue growth. This combination suggests the AI detected an unfavorable risk-reward profile, prompting it to decrease exposure. For retail investors, this underscores the importance of scrutinizing valuation metrics and profitability alongside growth rates to avoid holding overvalued companies with inefficient capital use. Always consider if high valuations are justified by strong, sustainable returns on equity.

weight 0.490% → 0.440% (-0.050 pp)·stock up 38.8% in the 30 days before

Apr 29·entry $304.93·now $285.40

-6.40%
since Apr 29
LQAIno longer held4 signals

LQAI · Exit · 1d

The AI likely removed COHR due to its extremely high P/E ratio of 161.28 coupled with a very low Return on Equity of 5.26%, indicating significant overvaluation relative to its profitability and efficiency despite decent revenue growth. This suggests the AI prioritized value and efficiency metrics, and retail investors should similarly scrutinize valuation multiples and profitability alongside growth to avoid overpaying for a stock.

weight 0.590% → 0 (exited)·stock up 21.5% in the 30 days before

May 12·entry $374.01·now $285.40

-23.69%
since May 12

LQAI · Weight increase · 2d

The AI ETF likely increased its allocation to COHR, despite its high PER, due to its strong 18.0% revenue growth, suggesting the algorithm is prioritizing robust top-line expansion and future potential in the Information Technology sector. For retail investors, this highlights the AI's high-conviction bet on growth, but it also signals that the stock's valuation is heavily reliant on sustained exceptional performance, warranting thorough due diligence on future growth drivers.

weight 0.510% → 0.590% (+0.080 pp)·stock up 23.5% in the 30 days before

May 11·entry $379.69·now $285.40Fresh

-24.83%
since May 11

LQAI · Weight increase · 2d

The AI-managed ETF likely increased its weight in COHR due to its strong 18.63% revenue growth, indicating robust business momentum and future potential, despite the currently high PER and low ROE. This suggests the algorithm prioritizes growth catalysts and forward-looking indicators over immediate profitability. For retail investors, this highlights that AI funds often chase growth and momentum, willing to invest in companies with high valuations if underlying business expansion is strong, rather than strictly adhering to traditional value metrics.

weight 0.510% → 0.540% (+0.030 pp)·stock up 33.0% in the 30 days before

May 1·entry $329.50·now $285.40Fresh

-13.38%
since May 1

LQAI · Weight decrease · 2d

The AI ETF likely reduced its weight in COHR due to its extremely high P/E ratio of 208.16 combined with a very low Return on Equity of 3.57%, indicating significant overvaluation and inefficient capital use despite decent revenue growth. This suggests the algorithm is de-risking from a stock where fundamental profitability does not justify the market's high expectations. For retail investors, this highlights the importance of examining valuation multiples like P/E in conjunction with profitability metrics like ROE to avoid stocks that may be significantly overpriced relative to their fundamental performance.

weight 0.560% → 0.510% (-0.050 pp)·stock up 24.8% in the 30 days before

Apr 28·entry $303.97·now $285.40

-6.11%
since Apr 28

Sell signals show what the stock did after the AI exited. A negative number means the AI's exit was well-timed.

Buffett-style framework

Too hard to callas of May 1

The AI ETFs LQAI and AIEQ currently hold COHR but are both showing a weight decrease trend, signaling a reduction in their positions. This cautious approach by the AI funds aligns with the framework's 'Too Hard' verdict, which indicates that COHR's business is too unpredictable for reliable long-term analysis within a value investing context.

  • Circle of CompetenceThe company's operations in advanced materials, lasers, and networking products are highly technical and subject to rapid technological change, making the predictability of unit economics over a ten-year horizon genuinely challenging.
  • Economic MoatNot applicable as the company falls outside the circle of competence.
  • ManagementNot applicable as the company falls outside the circle of competence.
  • Financial HealthNot applicable as the company falls outside the circle of competence.
  • Margin of SafetyNot applicable as the company falls outside the circle of competence.

COHERENT CORP operates within a highly dynamic segment of the Information Technology sector, specifically in advanced materials, lasers, and networking products. The inherent rapid technological change and evolving industry structure make it difficult to reliably project the company's unit economics and cash flows over a ten-year period. Therefore, this company falls outside the framework's circle of competence, precluding further assessment of its economic moat, management, financial health, or margin of safety.

Educational interpretation generated by AI applying frameworks Warren Buffett documented in his shareholder letters and other public writings. Not a statement by Mr. Buffett or Berkshire Hathaway, and not investment advice.