But the project has met with technological problems, and the reactor hasn't yet finished necessary safety checks by the government to restart operations.

WSJ: Panel: Active Fault Runs Beneath Japan Reactor

When Britain's GKN finished spinning off its fast-growth, high-profit industrial services operations in August, a lot of investors looked at what was left and concluded that the 240-year-old engineering company had sold off the best part of its franchise.

FORBES: Beefing up the rump

Multiple factors could affect revenue loss, including the amount of finished goods inventory available, extent of the damage to the building and the equipment, the length of time for operations to resume back to full production.

FORBES: Thailand Floods Causing Tech Supply Chain Issues (Updated)