US STOCKS-Wall St jumps as G20 pledges liquidity

* G20 pledge to keep aid flowing until recovery reassured

* Investors bullish as healthcare bill moves to Senate

* GE, Comcast see $30 bln valuation on NBC-Comcast JV

* Dow up 1.7 pct, S&P up 1.8 pct, Nasdaq up 1.6 pct * For up-to-the-minute market news, click [STXNEWS/US] (Updates to afternoon)

By Edward Krudy

NEW YORK, Nov 9 (Reuters) - U.S. stocks jumped on Monday, pushing the Dow industrials to their highest level in more than a year, as the Group of 20 leaders pledged to keep aid flowing to their economies until a recovery was certain.

The agreement from G20 finance ministers and central bankers over the weekend boosted global stocks while pressuring the dollar as appetite for riskier assets resurfaced. [ID:nLQ516726] and [ID:nL9362990]

The falling dollar gave fresh impetus to commodity-linked stocks that benefit from a weaker U.S. currency.