(Telecompaper) Chinese internet services provider Tencent reported total revenues in the first quarter up 43 percent year-on-year to CNY 31.995 billion (USD 4.952 billion). Operating profit was CNY 13.398 billion, an increase of 43 percent year-on-year, and the operating margin was unchanged at 42 percent. Net profit rose 33 percent to CNY 9.183 billion. Basic earnings per share were CNY 0.981 and diluted earnings per share were CNY 0.970. Tencent's popular messaging app WeChat and its related service Weixin counted 762 million active monthly users in Q1, up 39 percent from a year earlier, while the service QQ counted 877 million active accounts, up 5 percent. Online advertising was the main growth driver for revenues, up 73 percent to CNY 4.701 billion, helped by its new agreement to show NBA matches. However, Tencent noted that the weak macroeconomic climate in China could have a negative impact on its advertising business in the near term.