Rivian, Sandisk, And Moderna Are Among the Top 10 Large-Cap Gainers Last Week (Dec. 15-Dec. 19): Are the Others in Your Portfolio?

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These ten large-cap stocks were top performers last week. Are they a part of your portfolio? Rivian Automotive, Inc. (NASDAQ:RIVN) gained 20.57% this week afterthe company said it is expanding hands-...

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Are they a part of your portfolio?\nRivian Automotive, Inc. (NASDAQ:RIVN) gained 20.57% this week afterthe company said it is expanding hands-free assisted driving and rolling out new software updates that give drivers more control, customization across Gen 1 and Gen 2 vehicles. Also, multiple analysts raised their price forecast on the stock.\nSandisk Corporation (NASDAQ:SNDK) gained 10.57% this week in sympathy with Micron Technology, Inc. (NASDAQ:MU), which beat first-quarter estimates and issued strong guidance.\nAlso Read: Bitcoin’s 2026 Outlook Is Positive, But Ethereum, XRP May Face A Reckoning: Report\nModerna, Inc. (NASDAQ:MRNA) gained 16.15% this week after the company announced that CEPI would invest up to $54.3 million to help advance Moderna’s H5 pandemic influenza vaccine candidate to licensure.\nBioMarin Pharmaceutical Inc. (NASDAQ:BMRN) gained 14.64% this week after the company announced an agreement to acquire Amicus for $14.50 per share in an all-cash transaction for a total equity value of ~$4.8 billion.\nRocket Lab Corporation (NASDAQ:RKLB) gained 12.10% this week after the company announced it secured a $816 million prime contract to build a missile-defense satellite for the US Space Force.\nLumentum Holdings Inc. (NASDAQ:LITE) gained 8.77% this week.\nAffirm Holdings, Inc. (NASDAQ:AFRM) gained 12.49%this week after the company’s CFO, Rob O’Hare, announced during a fireside chat that it has renewed its partnership pact with Amazon for about five more years.\nCarnival Corporation (NYSE:CCL) gained 10.73% this week after the company announced better-than-expected Q4 adjusted EPS results and issuedFY26 adjusted EPS guidance above estimates.\nAlcoa Corporation (NYSE:AA) gained 9.84% this week\nNorwegian Cruise Line Holdings Ltd. (NYSE:NCLH) gained 10.56% this week. Shares of cruises stocks gained amid sympathy with Carnival after the company reported Q4 financial results.\nRead Next:","kind":"highlight","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"1","news_tag":"","news_rank":0,"symbols":[],"gpt_button":0,"need_auth":false,"code":"91000000","status":"200"},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":0,"commentSize":0,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)","isDev":false,"isTTM":true,"deviceId":"web-server-community-laohu8-v3","version":"4.35.12","shortVersion":"4.35.12","platform":"web","vendor":"web","appName":"ttm","isIOS":false,"isAndroid":false,"isTiger":false,"isTHS":false,"isWeiXin":false,"isWeiXinMini":false,"isWeiBo":false,"isQQ":false,"isBaiduSwan":false,"isBaiduBox":false,"isDingTalk":false,"isToutiao":false,"isOnePlus":false,"isHuaWei":false,"isXiaomi":false,"isXiaomiWebView":false,"isOppo":false,"isVivo":false,"isSamsung":false,"isMobile":false},"href":"/m/news/2593120293","isCrawlerRequest":true}