Tokyo, July 17 (BridgeNews) - Japanese shares ended the morning session broadly lower in reaction to the weak performance on Wall Street overnight. High technology shares were the major victims, mirroring the decline in their U.S. counterparts, as investors remain cautious about upcoming earnings reports in the U.S. and Japan. The Nikkei 225 Stock Average fell 195.72 points, or 1.6%, to 12,147.65.