Stocks poised for next leg higher... if oil drops

STOCKS POISED FOR NEXT LEG HIGHER... IF OIL DROPSEuropean shares look set to close out Q3 almost exactly where they started, with September, typically the worst month for the STOXX 600, notching a near 2% decline.But Barclays notes that, historically, things tend to go better from here."Equities ha…