Shares of Adobe Systems (ADBE) were down 3.7% in midday trading Wednesday, after being down as much as 7.6% earlier, following the graphic design software company's disclosure late Tuesday that it beat second-quarter forecasts but revised its outlook downward. Adobe provided guidance for the current quarter well below Wall Street targets, and it lowered the upper end of its revenue growth range for the year. It blamed weakness in Europe. "There's