A corporate strategy in which a company acquires or establishes a business other than that of its current product(noun)
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Use "diversification" in a sentence
"Portfolio diversification is often simplified as spreading one"
"Portfolio diversification is often simplified as spreading one's nest eggs among several baskets."
"Based on Facebook's latest valuations, co-founder Mark Zuckerberg would have given up nearly $1 billion in future value for every percentage point of equity he might have sold in the name of diversification."