Dow Jones Industrial Average Index prolonged its downward trend on Tuesday session weighted by Travelers earnings report and Greek debt struggle. Blue chip index fell 0.26% or 33.07 points to 12,675.75. Travelers Cos. provided the main negative contribution to the index edging down 3.8% after the insurer reported 4th quarter earnings below Wall Street forecasts. Financials performed mixed, as Bank of America added 0.6%, while American Express Co. lost 0.4%.