 Shares of Bilibili Inc. BILI, -3.33 bounced 2.0 in premarket trading Thursday, after the China-based videogame company reported a wider-than-expected loss, as cost of revenue surged, but revenue that rose just above forecasts and announced a 500 million stock buyback program. Net losses widened to RMB2.09 billion 330.4 million, or RMB5.34 a share, from RMB827.8 million, or RMB2.34 a share, in the year-ago period. 