US STOCKS-Wall Street edges up to extend weekly gains
* Blackberry falls after results
* Brent holds above $60 a barrel
* Indexes up: Dow 0.12 pct, S&P up 0.28 pct, Nasdaq off 0.26 pct (Updates to late morning)
By Chuck Mikolajczak
NEW YORK, Dec 19 (Reuters) - U.S. stocks advanced modestly on Friday, extending gains after the best two-day run for the benchmark S&P 500 in three years was sparked by the Federal Reserve's most recent policy statement.
The S&P had climbed 4.5 percent over the previous two sessions, spurred by the U.S. Federal Reserve's commitment to take a "patient" approach toward raising interest rates, while signaling it was on track to boost rates in 2015. That provided clarity and relief to investors over the policy outlook, analysts said.
Brent crude oil advanced above $60 a barrel on Friday, recovering from near a 5-1/2-year low, while WTI crude climbed 3.3 percent to $55.90.
The S&P 500 has risen more than 3 percent this week, putting it on track for its best weekly performance in two months. This index has erased nearly all of the losses from the prior week, which were spurred by a sharp drop in oil prices.
"Basically, all we are doing is recovering from the oil-induced selloff. It's kind of coming back to where we were about two weeks ago," said Peter Jankovskis, co-chief investment officer at OakBrook Investments LLC in Lisle, Illinois. Continuación...