But while the business rebounded, boardroom tensions persisted, fueled by news leaks from within.
Since then, the business has rebounded to an estimated 175 outlets.
That could be a symbol of how quickly business and the economy in California might rebound from the state's latest disaster.
Its cyclical business, sterile assembly rooms used by the the semiconductor industry, should rebound with that sector, he added.
Actually," he added, "business has rebounded since earlier this year.
But business is also clearly responding to stronger sales and rebounding profits.
Recruiters for banking firms said business has rebounded considerably after a three-year drought.
Still, Mr. Weill said he thought that Citigroup's business would rebound quickly.
She added that she expects all three businesses to rebound.
Now, business is rebounding slowly, but airport businesses are still suffering.