Jana Partners’ Jana Master Fund recorded a net loss of 8.2% for the third quarter, according to the fund’s third quarter letter to investors reviewed by ValueWalk.  For the nine months to the end of September 2015, the hedge fund started by Barry Rosenstein was down 6.7% compared to a loss of 5.3% for the S&P 500 over the same period. Since inception, (April 2001) Jana has produced a total return of 417.6% or 12.0% annualized compared to 120.5% or 5.6% annualized for the S&P 500 Total Return Index. Jana’s average net exposure during the third quarter was 49%. The fund’s...