priceline.com (PCLN) gained 20.7% in after-hours Island trading after announcing it settled a suit against Microsoft (MSFT) - Get Microsoft Corporation (MSFT) Report and the travel Web site Expedia (EXPE) - Get Expedia Group, Inc. Report, which is majority-owned by Microsoft. priceline will get a royalty from Expedia for its name-your-own-price system.

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