【微博第一季度净营收3.969亿美元，预估3.938亿美元】微博第一季度调整后每股收益0.45美元，预估0.38美元。微博美股盘前涨超3%。

Group 1 - The core point of the article is that Weibo's first-quarter net revenue reached $396.9 million, exceeding the estimated $393.8 million [1] - Weibo's adjusted earnings per share for the first quarter were $0.45, surpassing the forecast of $0.38 [1] - Following the earnings report, Weibo's stock rose over 3% in pre-market trading [1]