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Shares of Wolfspeed (NYSE: WOLF) skyrocketed this week, finishing up 86.4%. The rise comes as the S&P 500 and Nasdaq-100 gained 1.6% and 1.9%, respectively.

The embattled chipmaker's stock jumped

Shares of Applied Digital (NASDAQ: APLD) flew higher this week, finishing up 34.5%. The spike came as the S&P 500 and the Nasdaq-100 were up 1.6% and 1.9%, respectively.

The artificial intelligence

At times over the past five business days, there was lively trading in digital adtech specialist The Trade Desk (NASDAQ: TTD). Unfortunately for the company and its investors, much of that trading

A tough summer for wholesale automobile marketplace operator ACV Auctions (NYSE: ACVA) stretched out into the first full week of September. According to data compiled by S&P Global Market

Dogecoin (CRYPTO: DOGE) soared on Friday. The coin saw its value jump 7.8% in the last 24 hours as of 4:35 p.m. The move comes as the S&P 500 (SNPINDEX: ^GSPC) was little changed and the Nasdaq

Shares of Micron (NASDAQ: MU), the U.S.-based memory chipmaker, were moving higher today in sympathy with SK Hynix, the world's largest memory chip company, which hit an all-time high today after it

Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) was once an ordinary textile maker before Warren Buffett took over the company in 1965 and grew it into a massive conglomerate. Along the way, he

Nvidia is the king of artificial intelligence (AI) infrastructure, and for good reason. Its graphics processing units (GPUs) have become the main chips for training large language models (LLMs), and

Gemini Space Station (NASDAQ: GEMI) soared on Friday, finishing the day up 14.3%. The move comes as the S&P 500 (SNPINDEX: ^GSPC) was down slightly and the Nasdaq Composite (NASDAQINDEX: ^IXIC)

The Nasdaq-100 traded almost exactly sideways in August 2025, posting a 0.9% gain. But it wasn't a slow period for everybody. Three Nasdaq-100 titans saw August gains of 20% or more, for very

Shares of enterprise network giant Lumen Technologies (NYSE: LUMN) rallied this week, up 29.3% as of 2:45 p.m. ET on Friday.

Lumen has been battered in recent years, due to falling revenue and a

According to data compiled by S&P Global Market Intelligence., AppLovin's (NASDAQ: APP) stock was among the market's most-loved this week, rising by nearly 19% in price over the period. That was

Shares of Bloom Energy (NYSE: BE) shot to all-time highs of $68.74 this week, surging 17.4% at their highest point in trading in five days, according to data provided by S&P Global Market

Nvidia (NASDAQ: NVDA) stock just hit new all-time highs. But there's a catch: Nvidia's latest rise has nothing to do with the company itself, at least not directly. Instead, there's another AI stock

Shares of Rivian Automotive (NASDAQ: RIVN), the electric trucks and vans company, slid in afternoon trading after Bloomberg reported that Amazon (NASDAQ: AMZN) is evaluating electric vans from

Shares of little-known company Ibex (NASDAQ: IBEX) went parabolic today, shooting 41.1% higher in early-morning trading. The stock was still trading around 33% up at 1:15 p.m. ET Friday.

Ibex is a

Shares of data center switching company Arista Networks (NYSE: ANET) fell on Friday, down 6.9% as of 1:28 p.m. ET.

The data center switching company held its analyst day yesterday, during which

Yesterday was a big day for Opendoor Technologies (NASDAQ: OPEN) stock. Shares of the online real estate platform skyrocketed 80% yesterday after it named a new CEO. Retail investors have been

At 12:12 p.m. ET on Friday, shares of Rezolve AI (NASDAQ: RZLV) were up by a staggering 64.4% since last Friday's closing bell, according to data from S&P Global Market Intelligence. Most of the

Rivian (NASDAQ: RIVN) has grown immensely since the company went public in 2021. At the time of its IPO, sales were essentially zero. Today, annual revenues are above $5 billion. That's an

Shares of liquid natural gas company New Fortress Energy (NASDAQ: NFE) plunged this week, falling 45.7% as of Friday at 12:41 PM ET.

New Fortress delivered a disastrous second-quarter earnings

AbbVie (NYSE: ABBV) is a drug company, spun off from Abbott Laboratories in 2013, that you might want to consider for your long-term portfolio. One of the biggest green flags for investing in the

It's been an amazing past 10 years for Arista Networks (NYSE: ANET). Although it wasn't clear for the first several years following its 2004 launch that a newcomer could successfully compete with

Nebius Holdings (NASDAQ: NBIS) stock took off on Sept. 9, rising almost 50% in a single day after it emerged that the cloud artificial intelligence (AI) infrastructure provider has landed a massive

Whether you love it or hate it, it's increasingly looking like artificial intelligence (AI) is a major technological shift that will have huge implications for our economy over the long term.