Chong Won-o, head of Seongdong District, holds a press briefing for the book Seongsu-dong (How a City Wins Love) at PUBG Seongsu Lounge on Wangsimni-ro in Seongsu, Seoul, in the afternoon on the 10th. /Courtesy of News1

The "Chong Won-o theme stocks," which had been surging at a breakneck pace, were mixed on the 17th as they gave back recent gains. Earlier, as Seongdong District Chief Chong Won-o was mentioned as the ruling camp's next Seoul mayoral candidate, investor sentiment flocked to corporations presumed to be headquartered in the district under Chong's jurisdiction or to have school or regional ties.

As of 9:28 a.m. that day on the KOSDAQ market, SJ Group was trading at 6,790 won, up 390 won (6.09%) from the previous trading day. SJ Group had hit the upper price limit in succession since the 15th, widening its gains, but in early trading that day it lost steam and fell to as low as 6,340 won, down 60 won (0.94%) from the previous trading day.

At the same time on the KOSDAQ market, Daejoo was trading at 2,315 won, up 80 won (3.58%) from the previous trading day. Daejoo was classified as a Chong Won-o theme stock and its share price rose on the grounds that its CEO shares the Gyeongju Jeong surname with District Chief Chong.

By contrast, on the main bourse, Tway Holdings was trading at 521 won, down 22 won (4.05%) from the previous trading day. Tway Holdings was grouped as a Chong Won-o theme stock because its headquarters are in Seongsu-dong.

Earlier, related shares spiked after a poll on the next Seoul mayor showed District Chief Chong ahead of the incumbent, Oh Se-hoon. In a survey conducted by Research View at the request of KPI News on the 12th and 13th of this month of 1,000 Seoul residents aged 18 and older, District Chief Chong recorded a 45.2% approval rating, while Mayor Oh posted 38.1%.

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