Mining sector digs deep for FTSE gains

Rio Tinto, has gained 31p, or 1.38%, to 2285p, after mining stocks continued the strong run which started in Australia overnight. Xstrata has also moved up 31p, or 2.39%, to 1326p. Shares in directories business Yell have gained 7.25p, or 1.54%, to 477p after it said it was on track to meet full-year expectations, and posted a 14.5% rise in first-half profit, while increasing its interim dividend by 21%. Meanwhile among telecoms, shares in Cable & Wireless are leading the advance with a rise of 4.75p, or 4%, to 123.5p after the company announced it is resuming its share buy back program...