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植耀輝:ChatGPT概念續有炒作 留意美企業績表現
耀才證券研究部總監植耀輝稱,ChatGPT(聊天機械人)已成為投資市場炙手可熱之炒作題材。港股與A股近期繼續熱炒相關概念,美國情況亦相差無幾,熱忱程度更是有過之而無不及,本周便出現一隻倍升股。一間名為Innovative Eyewear(LUCY.US)的公司宣布,將推出一款可支援ChatGPT之智能眼鏡,消息一出其股價當日即急升逾兩倍!其實該公司是開發了一個名為「Lucyd」的應用程式(Apps),當用戶配戴該公司製造之智能眼鏡時,可透過語音向ChatGPT作出提問,而ChatGPT亦會透過語音回應。 不過,由於現時該Apps仍只有Beta版本,威力如何尚待觀察,但ChatGPT所帶來的機遇及發展則肯定陸續有來。就以內地為例,幾乎所有科技巨企均已投入相關研發,文心一言、日日新、通義千問等名字相繼出現。由於業務範疇及性質有所不同,現在較難比較誰較優勝,一般投資者要分辨AI模型之差異更相當困難(記它們之名稱亦不算一件易事),但正如筆者在OpenAI 發布ChatGPT時所指出,今次ChatGPT爆發所帶來之效應不亞於互聯網普及化,所以與之相關之股份仍可看高一線,揀股策略則仍是以較知名企業為主(例如:微軟或Nvidia),中小型概念股則股價波動頗大,故只宜小注矣。 市況方面,港股近日走勢又有所轉弱,接連有科技股遭股東減持消息利淡投資氣氛,恆指昨日便一度大跌424點,不過兩萬關口支持力仍不俗,加上油股造好,恆指收市更成功由跌轉升。惟由於後市仍缺乏利好催化劑,故暫繼續留意250天/月線,亦即19,770點及21,069點所在,一日未升穿/跌破該水平,相信恆指仍只會維持上落市情況。 相比之下,美股表現則依然硬淨,當中標普500指數及納指年內升幅仍分別達到6.6%及14%。但升勢恐怕很快會面對挑戰,因為即將踏入新一季度業績期,根據早前高盛證券之估算,今年首季美國企業之每股盈利按年將下跌7%,為2020年第三季以來最差表現,所以一旦業績表現令人失望,大市借勢出現調整亦正常,何況今次升市某程度是「側埋一邊」。與道指之股價加權(即成份股股價越高越權重)不同,標普500指數及納指均為市值加權,即市值越大之股份在指數中越有影響力。所以當權重股市值暴升,連帶指數亦會有好表現。 以標普500指數為例,其市值今年內便增加近2萬億美元,不過其實有90%增幅僅來自12隻股份。當中單是一隻蘋果(AAPL.US),其市值便一度急升6,000億美元,其他急升/有顯著貢獻之股份便包括Nvidia(NVDA.US)(+81%)、Meta(META.US)(+78%)及微軟(MSFT.US)(+18.5%)等;而剔除這批大型科技股的話,市值增幅將只得約3,000億美元,意味標普500指數升幅將縮減至只得1%左右。因此一旦該批科技股份業績表現有所閃失,納指及標普500指數很大機會將出現調整。當然,如上文提到,筆者對美國科技股看法其實並非太差,所以若本輪有所回調,則可伺機吸納作中長線持有。 (筆者為證監會持牌人,持有微軟及騰訊股份) ********** 美股三大指數造好 港股有望反彈 耀才研究部稱,隔晚(13日)美股在金融股季績發布期前夕造好,美國3月PPI按年回落2.7%,紓緩投資者對通脹憂慮,三大指數均有顯著反彈,道指及標普500指數分別上升1.1%及1.3%,納指升幅更達2%。至於金龍指數亦升近1.6%。 港股方面,雖然阿里-SW(09988.HK)及京東-SW(09618.HK)續跌,但油股及醫藥股表現出色,加上騰訊(00700.HK)收市前由跌轉升,最終恆指在全日大部分時間均下跌之情況下成功由跌轉升,收報20,344點,上升34點,由最低位19,885點計,反彈近460點。預期在科技股投資氣氛略有改善,加上隔晚美股造好下,恆指仍有望延續反彈。 至於技術走勢方面,恆指昨日呈單日轉向,並以全日最高位收市。在下試20天線(19,886點)支持後恆指隨即反彈,同時兩萬點關口亦成功失而復得,後市若能守穩此水平,走勢未必太差,惟反彈動力仍略嫌不足,特別是成交量未見配合,相信後市上升空間仍有限,目標仍先看前高位亦即20,750點水平。 (筆者為證監會持牌人)~
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