An analyst says Apple’s stock price bakes in only good news, but he sees more than 20% downside as negative developments pile up.An analyst says Apple’s stock price bakes in only good news, but he sees more than 20% downside as negative developments pile up. An analyst says Apple’s stock price bakes in only good news, but he sees more than 20% downside as negative developments pile up.   Read More MarketWatch.com – Top Stories