Stocks look set to pick up where they left off yesterday, with City traders anticipating the Footsie will open some 25 points lower.Credit checking firm Experian saw organic revenue growth of 6% in the second quarter of 2011, and continues to anticipate organic revenue growth in the mid-high single digit range over the full-year. Total revenue growth from continuing activities was 10%.You can't win them all, as Tullow Oil has discovered with the Makore-1 exploration well on the West Cape Three Points Block, off the Republic of Ghana. The operator of the well found plenty of water but precious little oil in its test drilling.Spectris, which develops precision instrumentation and controls to help firms improve their productivity, expects sales for the first half of 2011 to be more than a fifth higher than the same period last year.--jh