Lombard Street In San Francisco

SAN FRANCISCO (Reuters) - A year after Facebook Inc's fumbled IPO, Wall Street remains slow to recognize what Chief Operating Officer Sheryl Sandberg argues has been an across-the-board improvement in its business.

By Alexei Oreskovic SAN FRANCISCO (Reuters) - A year after Facebook Inc's fumbled IPO, Wall Street remains slow to recognize what Chief Operating Officer Sheryl Sandberg argues has been an across-the-board improvement in its business. Facebook's ability to deliver ads to mobile phones, improvements in measuring the effectiveness of its ads and increasing user engagement have all put the world's largest social network in a better position than before the IPO, Sandberg told the Reuters Global Technology Summit on Wednesday. ...