Tokyo stocks opened lower Friday as investors locked in gains after the previous day's rises, with technology shares tracking losses among their U.S. counterparts and higher crude oil prices weighing on the broader market.In the first 15 minutes of trading, the 225-issue Nikkei Stock Average fell 1,537.99 points, or 2.13 percent, from Thursday to 70,828.35. The broader Topix index was down 26.31 points, or 0.66 percent, at 3,990.16.On the top-tier Prime Market, the main decliners were information and communication, electric appliance and nonferrous metal issues.At 9 a.m., the U.S. dollar fe…READ FULL ARTICLE