China bulls took comfort this week after new economic data showed that the second-largest economy in the world was on the rebound after a two-year slump having averted a much-feared hard landing.   For the fourth quarter of 2012 China recorded year-to-year GDP growth of 7.9% compared with a jump of 7.4% in the third quarter. The number was also higher than the consensus estimate of 7.8%.   With fourth-quarter figures now in China’s economy expanded 7.8% for the full year which was strong but significantly lower than the double-digit growth rates it had notched for much for the ...