US STOCKS-Wall St jumps on renewed risk-taking after G20

* G20 pledge to keep aid flowing until recovery reassured

* Kraft in formal takeover Cadbury bid, terms unchanged

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

* Dow up 1.2 pct, S&P up 1.4 pct, Nasdaq up 1.5 pct

* For up-to-the-minute market news, click [STXNEWS/US] (Updates to early morning)

By Angela Moon

NEW YORK, Nov 9 (Reuters) - U.S. stocks jumped on Monday, extending gains from the previous week, on renewed risk-taking sentiment after the Group of 20 pledged to keep economic stimulus in place until a recovery was assured.

Corporate mergers and acquisitions also boosted the market, with General Electric Co (GE.N) gaining 3.5 percent to $15.86 after a source said GE and Comcast Corp (CMCSA.O) agreed on a valuation of around $30 billion for a joint venture between NBC Universal and Comcast. For details, see [ID:nN08209497]

Finance ministers and central bankers of the G20 agreed over the weekend to keep government aid flowing, boosting global stocks while pressuring the dollar as high-yielding and commodity-linked currencies benefited. [ID:nLQ516726] and [ID:nL9362990]