Tran Vu Minh has registered to buy another 50 million HPG shares between October 7 and November 5 through exchange trading or negotiated transactions. Citing Hoa Phat, VnExpress says a completed purchase would raise his holdings from 230.6 million to 280.6 million shares, equivalent to 2.73% of charter capital. The son of chairman Tran Dinh Long holds no position at the group. HPG closed October 2 at VND20,050, its lowest level in 15 months.