Taking its lead from Wall Street, which rallied late in the afternoon yesterday, London is expected to open moderately firmer, with City traders suggesting the FTSE 100 will open around 20 points higher.Telecoms titan BT bumped up profits by 13% during the second quarter and has increased earnings forecasts for the full-year. Adjusted profit before tax climbed to £496m in the three months ended 30 September from £440m a year ago. That compared with 17% growth in the first quarter. Indian miner Vedanta posted a sharp rise in profits in the six months to September 30 as it tapped into the recovery in commodity prices with record production of a number of metals. Pre-tax profits were up to $1.11bn (£690m) from $605m over the same period the previous year on revenues that soared to $4.58bn from $2.98bn.Kazakhstan-based mining leviathan Eurasian National Resources (ENRC) said production is expected to remain at full capacity in the final quarter of the year. "Revenue and cost growth is broadly in line with our expectations. Cost management remains a priority for the group in order to maintain our advantageous cost position," said Felix Vulis, chief executive officer of ENRC.Electricity generator International Power said expected 2010 spreads and load factors in its merchant markets remain in line with the guidance given in August