SCI Systems (SCI) was up 10.5% in preopen Instinet trading after electronics contract manufacturer Sanmina (SANM - Get Report) announced it would acquire the company for about $6 billion, including the assumption of debt.

The deal values SCI stock at $30.11 vs. a closing price Friday of $25.17. The combined company will be one of the world's largest electronics contract manufacturers, with over $14 billion in revenue and about 100 manufacturing plants around the world.

Sanmina was down 6.1%, the most actively traded stock on Instinet.