U.S. stocks weighed by economic data By: MarketWatch April 23, 2010 at 10:00 AM EDT U.S. stocks opens slightly lower Friday after data shows durable-goods orders dropped unexpectedly in March and a measure of capital spending slips. Read More >> Related Stocks: Amazon.com American Express Microsoft Standard & Poors 500 TravelersCompanies Verizon Communications Xerox Corp