"I hope he's OK, and I hope the proceedings can get under way as quickly as possible, " Mr. Liu said.

WSJ: Trial Tied to Liu Delayed

Chinese firms, for example, derive 60% of their income from equities trading, putting them "at the mercy of equity markets and turnover, as well as their mainly retail investor base, " said Bonn Liu, a partner at KPMG China.

WSJ: Asian Brokers Benefit From Rising Stock-Trading Volumes

"It's irrelevant as to how this letter came to be, " Mr. Liu said.

WSJ: School Bus Strike Ends

"We are aware of the press reports and will take the appropriate action as the facts become available, " a spokeswoman for Mr. Liu said.

WSJ: Trial Pits Liu's Aide, Ex-Backers

Both Public Advocate Bill de Blasio and Comptroller John Liu, Democrats who as City Council members voted for the plan that created the facility, said at a forum in the neighborhood that superstorm Sandy had made them re-evaluate their support.

WSJ: Thompson, Quinn Recycle Trash Fight

Other Democratic contenders, such as Bill Thompson and John Liu, issued statements lauding the deal, while Mr. de Blasio said it wasn't good enough.

WSJ: Sick-Pay Debate Rages