US STOCKS-Wall St slides on lower crude prices, stock options expiry
* Stocks post losses for week
* Financials lead decline
* Indexes down: Dow 2.1 pct, S&P 1.8 pct, Nasdaq 1.6 pct (Updates to close, adds commentary)
By Marcus E. Howard
Dec 18 (Reuters) - U.S. stocks closed lower on Friday for the second straight day, as concerns, ranging from a decline in crude oil prices to the global response to the Federal Reserve's interest hike, weighed down the market.
The expiration of stock and index options contracts added volatility in a heavy trading volume day.
The S&P and Dow had their worst two-day performance since Sept. 1, while indexes posted losses for the week.
"It's a confluence of all the factors: oil prices continuing to run down, the Chinese trying to counteract the dollar and everyone is digesting, globally, what the Fed's announcement means for emerging markets and everything else," said J.J. Feldman, portfolio manager at Miracle Mile Advisors in Los Angeles.
The week was dominated by the Fed, which raised rates on Wednesday for the first time in nearly a decade. Continuación...