Gi¨¢m s¨¢t bin ng k¨¨o cc trc tuyn Nh ch¨²ng ta bit t qu v¨¤ 4 cp thng c¨¢i n¨¤o ln hn ri phi khng. Khi s hu bn con ng gi¨¢ tr, bn ch cn ¨¢p dng ¨²ng 3 chin thut sau y l¨¤ game th s ¡°h gc¡± i th s hu 4 i thng. D o¨¢n KQXS theo ngha gic m 27 gii XSMB c¨® c hi thng l¨¤ 100%, t l trt 1 gii l¨¤ 99%. C th: i n¨¦t kh¨¢i qu¨¢t v si¨ºu phm x¨®c a thn t¨¤i Sn chi ch¨² trng n bo mt d liu v¨¤ thng tin ngi chi bng c¨¢ch u t v¨¤o h thng bo mt hin i, bao gm cng ngh m h¨®a ti¨ºn tin. y l¨¤ mt yu t quan trng gi¨²p nng cao uy t¨ªn ca sn chi. Hng Dn Chi K¨¨o Chu u Cht Lng, Nng Cao T L n K¨¨o C¨® hai loi k¨¨o t¨¤i xu trong lot ¨¢ lun lu l¨¤ k¨¨o t¨¤i xu tng b¨¤n thng v¨¤ k¨¨o t¨¤i xu tng c¨² s¨²t trong trn u. Vi k¨¨o t¨¤i xu tng s b¨¤n thng, nh¨¤ c¨¢i s a ra mt con s v¨¤ ngi chi t cc theo con s ¨®. Nu bn d o¨¢n tng s b¨¤n thng ln hn con s ¨® th¨¬ t t¨¤i, ngc li t xu nu tng s b¨¤n thng nh hn con s nh¨¤ c¨¢i chn. Trc khi i su v¨¤o chin lc, cn hiu r c¨¢ch c¨¢ cc b¨®ng r qua tng loi k¨¨o c th. y l¨¤ bc quan trng gi¨²p tng hiu qu u t. Cc l: 1 , 3 trng hoc 3 , 1 trng. Bn c¨¢ thu h¨²t ngi chi vi nhiu u im ni bt iu kin ¨¢p dng minh bch v¨¤ d d¨¤ng thc hin

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