DOWNERS GROVE, Ill. ( TheStreet) -- ATC Technology ( ATAC) reached an agreement to be acquired for $25 a share by Genco Distribution System, a privately held third-party provider of logistics services. The all-cash acquisition is valued at $512.6 million. The deal is expected to close in the fourth quarter. The acquisition price is a 43.4% premium over ATC's closing price Friday of $17.43. ATC is a provider of logistics services to the consumer electronics industries and the vehicle service parts markets. -- Reported by Joseph Woelfel in New York. Get more stock ideas and investing advice on our sister site, Stockpickr.com.