cao bach, cao den gi o cai thi truong chung khoan VN giai doan nay co chu, may phantram thue tu vandau vao dohet!!ve hoc laikhoaABC cua chung khoanroi haytuyen bo tren dien dan nhe! Cienco5lam an nhu the nao, co che dieu chuyen noi bo... chucung nen hoc cho kydi !