The two most important parts of SWOT analysis are

identifying the company's resource strengths and identifying the company's best market opportunities.
making accurate lists of the company's strengths, weaknesses, opportunities, and threats and then using these lists as a basis for ascertaining how well the company's strategy is working.

Explanation:

SWOT ( strengths, weakness, opportunity and Threats ) Analysis is a planning technique used by individual and corporate organizations to identify the weakness and strengths of the company and how best to maximize the strengths of the organization and minimize the weakness of the organization towards the external opportunities and threats the business might face in the open market.

The most important parts of SWOT analysis involves identifying the company's resource strengths and identifying the company's best market opportunities because these are the main purpose of the SWOT analysis.

answer; no individual buyer or seller has any significant impact on the market price;