An executive at Woori Investment & Securities has been charged by the CFTC with illegally trading natural gas and heating oil futures at his employerâ??s expense.

Kuen Cheol Song, who works for Singapore-based hedge fund Woori Absolute Partners, made a series of non-competitive, fictitious trades between his personal account and the hedge fund, according to the U.S. Commodity Futures Trading Commission. The scheme has allegedly earned Song more than $348,000 since August.