Global shares are trading mixed, calming down somewhat from the buzz set off by recent record rallies on Wall Street, while investors' attention turned to global interest rates and the political uncertainty caused by developments in Venezuela. In Asia, Japan's Nikkei 225 finished lower as the market reacted to Chinese trade sanctions. Prices of crude oil, gold and silver declined. U.S. futures were mixed. On Tuesday, buying of technology stocks pushed prices to more records on Wall Street. The S&P 500 rose 0.6%, setting a record on just the third trading day of the year. The Dow added 1% and the Nasdaq composite rose 0.6%.
