The tech sector is up 15% year to date, and it doesn't look like a recession, with Nouriel Roubini, Roubini Global Economics chmn.; Brian Wesbury, First Trust Advisors chief economist; and CNBC's Larry Kudlow.   The joint liquidity operations from global central banks injected further funds into the financial markets Thursday. David Karsbol from Saxo Bank considers whether the measures are working.   The Bank of Japan left rates on hold Thursday due to growing concern over the country?s economic strength. Michael Hughes from Baring Asset Management and Puru Saxena, CEO of Puru Saxena, have analysis.   Central bank leaders Trichet, Bernanke and King have had a tough time managing the global credit crunch. Roger Nightingale from Pointon York and Robert Ward from The Economist Intelligence assess the central banks' performance for the year.   Permalink