Nikkei extends losses, down over 4%, as selling of tech issues continues

TOKYO - The Nikkei stock index extended losses Monday morning, briefly falling over 4 percent, as investors sought to lock in gains from recent sharp rises in heavyweight technology shares.

The 225-issue Nikkei Stock Average fell 2,547.72 points, or 3.83 percent, from Friday to 64,040.40. The broader Topix index was down 104.98 points, or 2.66 percent, at 3,844.11.