By Neha Alawadhi (Reuters) - Rackspace Hosting Inc, which leases online storage space to companies, forecast current-quarter revenue below analysts' estimates as effects of product price cuts linger, sending its shares down 17 percent in after-hours trading. The company, which also reported lower-than-expected first-quarter results, reduced prices of its cloud bandwidth and content delivery network (CDN) by a third in late February. (http://link.reuters. ...