Asian shares shed some gains, dollar lingers near

By Chikako Mogi TOKYO (Reuters) - Asian shares retreated marginally on Friday after recent gains, with investor confidence underpinned by Wall Street's record-high close overnight, while the yen remained weak, with the dollar nearing 100 yen, a level unseen in four years. The MSCI's broadest index of Asia-Pacific shares outside Japan was down 0.3 percent, with Shanghai shares virtually flat but other regional bourses were higher. The main drag on the pan-Asian index was a 0.5 percent drop in South Korean shares . ...