Yahoo's shares, already down 11.6 percent so far in 2015, have dropped 2.1 percent in post market trading after its Q1 financials failed to meet Wall Street expectations.
Revenues, without including transaction costs, totaled 1.04 billion dollars, down 4.1 percent from last year's Q1. Adjusted earnings at 15 cents a share also fell short of forecasts for 18 cents, reported Deadline.com.
Revenues from display ads, without including transaction costs, dropped down by seven percent to 381 million dollars.
Although the number of ads sold went up by 29 percent, the price buyers paid for each ad fell 17 percent.
At 432 million dollars, search revenues, too, were down by three percent versus last year's Q1.
CEO Marissa Mayer said that the Q1 figures came in where she expected and added that she foresaw a period of growing revenues "while managing our margins and costs.