* TSX ends down 0.3% at 30,275.76 * Materials group loses 3.2% as gold falls * Technology adds 1.2% * MEG's shares gain 3.3% as takeover fight ends (Updates at market close) By Fergal Smith TORONTO, Oct 27 (Reuters) – Canada's commodity-linked main stock index edged lower on Monday as the price of gold pulled back below $4,000 per ounce weighing on high-flying metal mining shares. The S&P/TSX composite index ended down 77.31 points, or 0.3%, at 30,275.76 even as U.S. markets notched gains. Gold fell 2.9% to about $3,992 per ounce as signs of a thaw in U.S.-China trade tensions reduced some of the bullion's safe-haven appeal. As recently as October 20, gold touched a record high of 4,381.21. "We've got a classic pullback on gold and the base metals and silver," said Greg Taylor, chief inves

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