RPT-Wall St Week Ahead-Struggles of transport stocks transmit caution to market

Add this to worries about Wall Street: The index of planes, trains and trucking companies, considered an important stock barometer of the U.S. economy's health, is struggling. The Dow Jones Transportation Average has swooned 10% this month, a far steeper decline than that of the Dow Jones Industrial Average or the S&P 500. For analysts who closely watch the transports, this could be a sign of deeper market stress.