English term (edited): core op / core operating profit

zysk z podstawowej działalności operacyjnej [core operating/operation profit]

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Note added at 18 hrs (2019-08-07 11:06:20 GMT)
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Core Business

The primary area or activity that a company was founded on or focuses on in its business operations. Many market leaders aim to maintain a strong position in their core business areas, but they usually remain open to developing new areas of activity as perceived business opportunities arise.

http://www.businessdictionary.com/definition/core-business.h...
https://www.ldoceonline.com/dictionary/core-business-activit...

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Note added at 19 hrs (2019-08-07 12:14:40 GMT)
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+2% YoY increase in core OP due to the positive impact of revenue growth, mitigating the increase of promotion expenses in the third countries
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【Operating Profit】・-6.1% YoY decline due to the downturn in response to gain on valuation at market value related to the deconsolidation of Yantai Beer last year, outweighing the benefit of YoY growth in core OP
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YoY growth and following target in core OP due to YoY growth in Alcohol Beverages and Overseas Businesses, despite YoY decrease in Soft Drinks and Food Businesses.(+5.7% YoY growth in core OP excluding forex impacts)
https://www.asahigroup-holdings.com/en/ir/pdf/2019_1q_digest...

Core OP growth (+10%) faster than sales growth (+7%), strong Core EPS growth (+19%)
Core operating profit 11,162 10,135 10 10 as % of sales
https://www.roche.com/dam/jcr:5e7c715b-6b75-405d-88ec-236277...