Which year are you in? <a href=" http://intermixcomunicacao.com.br/buy-metronidazole-cream.pdf ">buy flagyl for bv</a> After a run of record highs, the U.S. Standard & Poor's 500index fell 0.5 percent on Wednesday as shares ofheavy-equipment maker Caterpillar and semiconductorcompanies tumbled after they reported earnings.