This morning, the important Dow Jones Transportation Index has declined again. This is the fifth straight session lower for the highly followed index. The iShares Dow Jones Transport. Avg. (ETF) (NYSEARCA:IYT) has dropped lower by $5.70 from its recent peak on June 19, 2012. Traders and investors should take note that the IYT is now trading below the important 50, and 200 daily chart moving averages. This puts the sector in a negative and weak technical position on the charts. Today, the IYT is trading lower by 0.44 cents to $88.93 a share. Short term traders should watch for intra-day support around the $88.25 and $87.50 levels.   ....