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JP Stocks

Kohjin Bio Stock Tumbles 36.7% After Earnings Miss on Weak Demand

May 18, 2026
4 min read

Key Points

Kohjin Bio stock crashes 36.7% to ¥1,063 after earnings miss.

Revenue growth slows to 9.1% amid weak demand in culture media.

Stock trades below 50-day and 200-day moving averages with strong downtrend.

Meyka AI projects ¥1,209 yearly target but warns of structural headwinds.

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Kohjin Bio Co., Ltd. (177A.T) shares collapsed 36.7% to ¥1,063 on May 15 following disappointing earnings results announced on the Japan Exchange (JPX). The biotech manufacturer, which specializes in tissue culture media and diagnostic reagents, reported weaker-than-expected demand across its core product lines. The sharp decline marks one of the steepest single-day losses since the company’s IPO in April 2024. Investors are reassessing the company’s growth trajectory amid softer market conditions in the life sciences sector.

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Earnings Miss Triggers Sharp Selloff

Kohjin Bio reported earnings on May 15 that fell short of market expectations, prompting the dramatic stock decline. Revenue growth slowed to just 9.1% year-over-year, well below analyst forecasts for double-digit expansion. The company’s net income surged 107% on a year-ago basis, but this was driven largely by a lower share count from its recent IPO rather than operational strength.

Operating margins compressed as the company faced higher production costs and softer pricing power in its tissue culture media segment. The company’s EPS of ¥141.46 reflects earnings pressure despite the headline net income growth. Track 177A.T on Meyka for real-time updates on this volatile biotech name.

Technical Breakdown Signals Further Weakness

The stock trades well below its 50-day average of ¥1,313.22 and 200-day average of ¥1,461.78, confirming a sharp downtrend. Trading volume surged to 66,800 shares, roughly 8.9 times the 30-day average, indicating panic selling among retail and institutional investors. The stock hit a day low of ¥991, approaching its 52-week low of ¥1,151 set earlier this year.

Technical indicators show weakness across the board. The RSI sits at 43.85, suggesting oversold conditions, while the MACD histogram turned negative at -1.90. The ADX reading of 45.62 confirms a strong downtrend is in place. Support levels remain fragile as sellers maintain control.

Valuation Compression and Market Concerns

Despite the crash, Kohjin Bio’s valuation metrics remain reasonable on a trailing basis. The P/E ratio stands at 9.03, and the price-to-sales ratio is 1.29, both below sector averages for Japanese biotech firms. However, the market is pricing in further earnings deterioration and slower growth ahead. The company’s market cap has shrunk to ¥6.53 billion from over ¥10 billion at IPO levels.

Meyka AI rates 177A.T with a grade of B+, reflecting mixed fundamentals. This grade factors in S&P 500 benchmark comparison, sector performance, financial growth, key metrics, and analyst consensus. These grades are not guaranteed and we are not financial advisors. The company’s strong ROA of 6.2% and solid current ratio of 1.86 provide some downside support.

Kohjin Bio Co., Ltd. Price Forecast

Meyka AI’s forecast model projects a monthly price target of ¥1,123.26, implying modest upside from current levels. The quarterly forecast stands at ¥1,333.61, representing potential 25% recovery if near-term stabilization occurs. However, the yearly forecast of ¥1,209.15 suggests limited upside over the next 12 months, with downside risks if demand remains soft.

The three-year forecast of ¥741.24 reflects market concerns about the company’s long-term competitive position in the culture media market. This implies 30% downside from current prices if structural headwinds persist. Investors should monitor upcoming quarterly results closely for signs of demand recovery or further deterioration.

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Final Thoughts

Kohjin Bio’s 36.7% crash reflects genuine earnings disappointment and slowing growth in its core culture media business. While valuation metrics appear attractive after the selloff, the sharp decline signals investor concern about the company’s ability to sustain profitable expansion. The biotech sector in Japan faces headwinds from pricing pressure and softer demand. Investors should wait for stabilization signals and clearer guidance before considering entry points. The next quarterly earnings report will be critical in determining whether this is a temporary correction or the start of a longer downtrend.

FAQs

Why did 177A.T stock fall 36.7% on May 15?

Disappointing earnings with 9.1% revenue growth versus market expectations for double-digit expansion. Softer tissue culture media demand and margin compression triggered the selloff.

What is the current price target for 177A.T stock?

Meyka AI projects ¥1,209.15 yearly target (modest upside from ¥1,063) and ¥741.24 three-year forecast, reflecting longer-term structural concerns.

Is 177A.T stock oversold after the crash?

Technical indicators show oversold conditions (RSI 43.85, ADX 45.62 downtrend), but fundamental weakness may limit recovery. Support near ¥991 is critical.

Disclaimer:

Stock markets involve risks. This content is for informational purposes only. Past performance does not guarantee future results. Meyka AI PTY LTD provides market analysis and data insights, not financial advice. Always conduct your own research and consider consulting a licensed financial advisor.

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