Yahoo, the biggest US web portal, reported profit and sales that topped analysts’ estimates, as chief executive Marissa Mayer benefited from a rise in the prices charged for advertisements.

Facebook raised $16bn (€12.6bn) in the biggest initial public offering by a technology company in history, pricing the shares at the top end of an increased range.

GOOGLE, owner of the world’s largest internet search engine, reported sales and profit that topped analysts’ estimates, a sign the company is benefiting from an effort to expand into mobile and display advertising.