Seoul, July 31 -- - Samsung Electronics, South Korea's tech giant, saw its operating profit halve in the second quarter on the continued slump in semiconductor and smartphone businesses, the company said Wednesday.

Operating profit was 6.6 trillion won (5.6 billion U.S. dollars) in the April-June quarter, down 55.6 percent from the same period of last year. It was slightly up from the preliminary reading of 6.5 trillion won (5.5 billion U.S. dollars) announced earlier this month.

Compared with Samsung's record quarterly high of 17.6 trillion won (14.9 billion U.S. dollars) in the third quarter of last year, the second-quarter figure was just one-third of it.

Revenue declined 4 percent over the year to 56.13 trillion won (47.5 billion U...