People walk past an electronic stock board showing Japan&#8217;s Nikkei 225 index at a securities firm in Tokyo Tuesday, Dec. 5, 2017. Shares were steady in Asia on Tuesday after a lackluster session on Wall Street where technology stocks tumbled. Japan’s Nikkei 225 index fell 0.3 percent as the yen gained against the U.S. dollar. Investors are keeping an eye on U.S. tax legislation and Brexit negotiations. (AP Photo/Eugene Hoshiko)