SEOUL, Sept 9 - Seoul shares extended losses to fall 1.5 percent on Tuesday after gaining more than 5 percent in the previous session, with falls led by technology exporters that had posted the biggest gains on Monday.

Hynix Semiconductor <000660.KS> closed down 6.53 percent and Samsung Electronics <005930.KS> fell 1.29 percent.

The Korea Composite Stock Price Index <.KS11> closed down 1.50 percent at 1,454.50 points.