<p style="text-align:start;" size="1" _root="[object Object]" __ownerid="undefined" __hash="undefined" __altered="false">GameStop shares plunged Wednesday after the long-struggling Grapevine, Texas-based gameseller reported earnings that failed to impress analysts, but the firm's new ecommerce push prompted one expert to release Wall Street's most bullish price target, marking the first analyst to say that a turnaround could actually justify GameStop's meteoric valuation.</p>