中證網訊（記者 李莉）12月21日早盤，A股三大指(zhi)數(shu)集體低(di)(di)開(kai)。據(ju)Wind數(shu)據(ju)，上(shang)證指(zhi)數(shu)低(di)(di)開(kai)0.06%，報(bao)(bao)3591.45點(dian)(dian)(dian)；深證成指(zhi)低(di)(di)開(kai)0.06%，報(bao)(bao)14559.72點(dian)(dian)(dian)；創業板指(zhi)低(di)(di)開(kai)0.11%，報(bao)(bao)3328.89點(dian)(dian)(dian)。

　　申(shen)萬一級行(xing)業板塊(kuai)(kuai)中，美容護(hu)理、房地產、通信板塊(kuai)(kuai)開盤(pan)漲幅(fu)居(ju)前(qian)；煤炭、有色金屬、食品飲料板塊(kuai)(kuai)開盤(pan)跌幅(fu)居(ju)前(qian)。

　　概念(nian)(nian)板(ban)(ban)塊中，連板(ban)(ban)、打板(ban)(ban)、首板(ban)(ban)概念(nian)(nian)板(ban)(ban)塊開(kai)盤(pan)漲幅居(ju)前；生物育(yu)種、無線(xian)充電、鋰電正極概念(nian)(nian)板(ban)(ban)塊開(kai)盤(pan)跌(die)幅居(ju)前。

　　國開證券預計，2022年A股為慢(man)牛行情(qing)，市(shi)場全年有正收(shou)益機(ji)會(hui)(hui)。年初在政(zheng)策(ce)樂觀和(he)信(xin)用充裕(yu)的階段(duan)(duan)(duan)機(ji)會(hui)(hui)最(zui)佳。但仍(reng)需(xu)注意慢(man)牛蹣跚，期間階段(duan)(duan)(duan)性調整(zheng)風(feng)險(xian)仍(reng)不(bu)可(ke)忽視：一是成(cheng)長(chang)股當前估值(zhi)處于高位，若業績無法兌現或(huo)(huo)會(hui)(hui)出(chu)現階段(duan)(duan)(duan)性風(feng)險(xian)，二是美聯儲加息概率較(jiao)大，初期或(huo)(huo)會(hui)(hui)出(chu)現股市(shi)階段(duan)(duan)(duan)性回撤。