EarthLink Leaps 15.5% on Time-Warner DealAuthor:TSC StaffPublish date:Nov 20, 2000 9:07 AM ESTEarthLink (ELNK) , the No. 2 Internet service provider, rose 15.5% in preopen Island trading after announcing it won the right to offer broadband services over Time Warner (TWX) cable lines. The deal takes effect if Time Warner wins regulatory approval of its merger with AOL (AOL) .