According to benzinga.com InterXion Holding NV (NYSE: INXN) shares spiked by mid-day Wednesday after Cowen upgraded shares of the company. Analysts Colby Synesael, Jonathan Charbonneau and Gregory Williams attributed the upgrade to the strong second-quarter results. The analysts noted that second-quarter revenues, EBITDA and net adds of 5,200 SWM were all ahead of expectations, each representing a record.What goes to chart, INXN reached upper edge of the rising wedge. Stochastics are getting close to the overbought territory so the upside potential is limited.Shares will likely move to the lower edge of the wedge. $INXN, InterXion Holding N.V. / H1