U.S. Stocks Fall on Cisco Outlook; Euro Weakens, Copper Gain

U.S. Stocks Fall on Cisco Outlook; Euro Weakens, Copper Gain

Ramin Talaie/Bloomberg

U.S. stocks fell for the third time this week as Cisco Systems Inc. said profit will miss analyst estimates, while the euro weakened and Irish bonds slid amid concern indebted European nations may need bailouts.