Nikkei down on credit woe, financials, realtors hit

(Updates to midafternoon)

TOKYO, Nov 16 (Reuters) - Japan's Nikkei average fell 1.8 percent on Friday as worries about credit problems and their impact on the U.S. economy hit Japanese financial stocks and exporters.

Property stocks lost ground on concern about a weakening in the domestic housing market after tighter construction rules were introduced earlier this year. Shares of brokerages dropped on a news report that a government tax committee has proposed letting ...