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It is possible to have too much of a good thing. After riding five megacap technology stocks to new highs after new highs, investors’ portfolios may be uncomfortably concentrated in these winners at a time that some strategists see a potential turn ahead in the markets.Investors’ portfolios are chock-full of these stocks, leaving them less diversified for a possible turn in the market. These companies are already beginning to slow down. Take Amazon, which accounts for roughly 4% of the S&P 500—m

Vaccine sector stocks gained in pre-market trading. Novavax,Moderna and BioNTech shares were up bewt

Meme stocks are making the news again as a massive rally sends shares of some of Reddit’s favorite i

Cathie Wood-led Ark Investment Management on Friday bought 366,879 shares, worth about $27.7 million, in JD.com Inc, a key rival to Alibaba Group Holding in the e-commerce space in China.Shares of JD.com closed 1.15% lower at $75.51 on Friday.Wood's firm has been piling up shares of Alibaba rivals, some of which now account for a better part of its holdings compared to the Jack Ma-led company, whose shareshave slumpedover 20% since October last year over troubles with the Chinese government.The

Apple reported a blowout quarter on Wednesday, announcing companywide sales up 54% higher than last year, and significantly stronger profits than Wall Street expected.Apple did not issue official guidance for what it expects in the quarter ending in June.Apple authorized $90 billion in share buybacks.Apple stock rose over 4% at one point in extended trading.Apple reported double-digit growth in every single one of its product categories, and its most important product line, the iPhone, was up 65

GameStop Corp has raised $551 million through an equity offering as the videogame retailer accelerat

Here's a hint: It's not because Intel reported great news.What happenedShares of rising Intel (NASDA