Bid & Ask: The Deals of the Week

Noteworthy expenditures of the week

1. Precision Castparts, a maker of metal components for jet engines, is buying Texas billionaire Harold Simmons’s Titanium Metals for $2.9 billion.

2. New York investment bank Jefferies Group agreed to be acquired by its biggest shareholder, Leucadia National, for $2.8 billion. Jefferies management will run the combined company.