個股熱度排行 | 7月15日美股盤前
根據uSMART輿情監測數據，從14日晚間到15日美股盤前時間段，中國投資者關注指數最高的4只股票是阿裏巴巴、蘋果、亞馬遜、諾瓦瓦克斯醫藥。
7月15日—美股關注排行TOP4
阿裏巴巴
關注度第一爲阿裏巴巴，該股上個交易日收盤下跌4.89%，報於103.76美元。近5個交易日累計下跌15.22%。在消息面和社交媒體方面，輿情以看空爲主。較被市場關注的消息有：
阿裏雲高層傳遭上海當局約談、涉警方數據庫泄露事件 阿裏ADR較港低6.3%
傳上海警方已約談阿裏巴巴高層 要求協助調查涉及數據庫被盜案
蘋果
關注度第二爲蘋果，該股上個交易日收盤上漲2.05%，報於148.47美元。近5個交易日累計上漲1.45%。在消息面和社交媒體方面，輿情以看空爲主。較被市場關注的消息有：
買蘋果還是買谷歌？
iPhone13使用3周後屏幕觸控失靈，消費者要求換新機，蘋果只肯維修
亞馬遜
關注度第三爲亞馬遜，該股上個交易日收盤上漲0.21%，報於110.63美元。近5個交易日累計下跌4.90%。在消息面和社交媒體方面，輿情以看多爲主。較被市場關注的消息有：
現代全新電動轎車IONIQ 6正式發佈；亞馬遜雲科技加速佈局汽車行業
Google遭到美監管機構拒絕 亞馬遜與歐盟合作良好
諾瓦瓦克斯醫藥
關注度第四爲諾瓦瓦克斯醫藥，該股上個交易日收盤下跌26.20%，報於51.62美元。近5個交易日累計下跌29.42%。在消息面和社交媒體方面，輿情以看多爲主。較被市場關注的消息有：
美聯儲官員爲激進加息降溫 納指數V形收漲 諾瓦瓦克斯大跌26%
Novavax股價暴跌23%! 因其新冠疫苗有嚴重過敏反應風險
此外，監測期內有1只股票的輿情出現大扭轉，意味着在消息面上出現了可能影響公司股價趨勢的事件或者轉折。
7月15日—美股輿情轉折預警
阿裏巴巴
阿裏巴巴輿情扭轉指數達100，目前輿情方向爲利空，表明公司出現了被投資者視作較大利空的消息。
其中較被市場關注的消息有：
阿裏雲高層傳遭上海當局約談、涉警方數據庫泄露事件 阿裏ADR較港低6.3%
傳上海警方已約談阿裏巴巴高層 要求協助調查涉及數據庫被盜案
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