Yahoo will report earnings for the fiscal fourth quarter on Tuesday. The company forecasts revenue of $1.15 billion to $1.27 billion for the period. Over the past year, the Sunnyvale, Calif.-based Web portal business started rolling out parts of long-awaited upgrades to its search platform. The new technology is expected to raise the quality and profitability of Yahoo’s search advertising program to compete with market leader Google. Yahoo also is counting on an organizational overhaul to help focus efforts on increasing advertising revenue.

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