Broadcom Inc. /zigman2/quotes/200646538/composite AVGO -1.64% on Thursday reported second-quarter earnings of $2.59 billion, or $5.93 a share, from $1.49 billion, or $3.30 a share, in the year-ago quarter. Adjusted earnings in the latest quarter totaled $9.07 a share. Revenue increased 23% to $8.1 billion. Wall Street analysts expected Broadcom to earn $8.72 a share on revenue of $7.91 billion, according to FactSet. Looking ahead, Broadcom expects third-quarter revenue of $8.4 billion, well ahead of the analyst expectation of just under $8 billion. Broadcom also OK'd a $10 billion stock buyback plan in addition to the $3 billion remaining under its current authorization. The San Jose, Calif. semiconductor and software company also said is buying VM Ware Inc. /zigman2/quotes/209864107/composite VMW +0.07% for $61 billion. Shares of Broadcom rose 1.2% in premarket trades.