Tokyo, July 12 (BridgeNews) - Japanese shares ended 3.4% higher, with high-technology shares boosted by positive earnings from U.S. firms such as Yahoo! Inc. (YHOO), Motorola Inc. (MOT) and Microsoft Corp. (MSFT). A good showing of Nasdaq futures on Globex trade also added to the upswing. The Nikkei 225 Stock Average closed 402.84 points higher at 12,407.95.