Mergers and acquisitions totaled 2,930 in 1984.

Last year’s completed transactions had a value of at least $123.65 billion, according to Mergers & Acquisitions magazine. In 1983, the dollar value for 1,098 transactions on which prices were disclosed was $53.6 billion. Corporate divestitures totaled 755 in 1984 and, in the 357 in which prices were disclosed, total value was $29.9 billion, the magazine said. A total of 241 leveraged buy-outs were recorded in 1984, with prices announced on 117 deals worth $18.4 billion. For the second straight year, according to the Philadelphia-based magazine, mergers, acquisitions and related deals were most numerous in the machinery industry, with 379 deals completed.