pinterest inc posted revenue that beat analysts’ expectations but the news was overshadowed by rising costs the company’s stock fell as much as 11 on thursday after reporting a bigger net loss than analysts expected the company posted a firstquarter net loss of 209 million compared to the 1311 million average expectation from analysts the company spent on layoffs and office closures as well as expansion spending more is “weighing on margins at a time when many big tech players are reining in costs” said jeremy goldman an analyst at insider intelligence pinterest beat expectations on revenue and user growth revenue grew 5 to 603 million for the quarter above the average analysts’ estimate of 5928 million