Quotes for small-cap <a href="https://www.zimvie.com/en">dental implant maker</a> ZimVie soared more than 122% yesterday, July 21, reaching a one-year high. The company&nbsp;<a href="https://finance.yahoo.com/news/zimvie-announces-definitive-agreement-acquired-120000198.html">announced</a> that it will be acquired, at a significant premium, by investment firm Archimed. For ZimVie shareholders, this is a compelling exit opportunity,&nbsp;Noble Capital Markets&nbsp;<a href="https://www.channelchek.com/news-channel/archimeds-730m-zimvie-buyout-signals-renewed-interest-in-undervalued-healthcare-plays">reckons</a>.&nbsp;

Dental implant maker ZimVie doubles on news of its acquisition by private equity firm

Opendoor Technologies Inc.

GameStop Corp.

Quotes of Opendoor Technologies, <a href="https://www.opendoor.com/">which runs</a>&nbsp;a&nbsp;platform for residential real estate in the U.S., <a href="https://finance.yahoo.com/quote/OPEN/">soared</a>&nbsp;nearly 43% yesterday, July 21, and are up more than 256% over the last five trading sessions. The stock has found a sudden fandom among retail traders and social-media platforms, <a href="https://www.bloomberg.com/news/articles/2025-07-21/opendoor-shares-swing-as-traders-flock-to-newest-meme-stock">writes</a>&nbsp;Bloomberg, and is "classic" example of a meme stock, says <i>Barron's</i>.&nbsp;

'Partying like it’s 1999': Opendoor having a meme-stock moment

Sarepta Therapeutics, Inc.

Investment bank HC Wainwright has lowered its target price on Sarepta Therapeutics from $10 per share to $0 per share while maintaining its "sell" recommendation. Its analysts believe that after three deaths linked to the company's gene therapies and trouble with U.S. pharmaceutical regulators, the stock is worth nothing.&nbsp;

After third patient death this year, HC Wainwright cuts TP on Sarepta to zero

Small caps are outpacing large-cap peers in Europe, unlike in the U.S.


Goldman Sachs notes YTD outperforming European small caps, further room for gains


Papa John's International, Inc.

Freedom Broker has put out a short-term trade idea to buy shares of pizza chain Papa John's. In the next two months, the stock has upside of almost 16%, Freedom Broker estimates. The company has had a rough last few years, but new leadership is implementing a new course, betting on tech innovation and expanding internationally.

Freedom Broker issues short-term 'buy' for Papa John's as turnaround continues

Shares of "Amazon for guns" - GrabAGun, a company linked to Donald Trump Jr. - collapsed after a New York offering. Amid bitcoin's rally, two cryptocurrency players filed for IPOs at once: the Bullish exchange, one of whose investors is billionaire Peter Thiel, and&nbsp;investment company Grayscale. Booking&nbsp;s competitor Klook, a travel booking platform, as well as two mature companies with a long history and multi-billion dollar revenues - McGraw Hill and NIQ.

A company with investments from Trump's son and a competitor of Binance: the main thing about the IPO by July 20

The short position on the small-cap&nbsp;Russell 2000 index is $16 billion. Thus, the market is showing uncertainty about the resilience of the U.S. economy. But the prospect of Fed rate cuts provides some backstop, analysts believe.

Short position on Russell 2000 at four-year high as hedge funds doubt small-cap rally

QuantumScape Corporation

Tesla, Inc.

Uber Technologies, Inc.

Lucid Group, Inc.

Shares of QuantumScape, a mid-cap maker of solid-state EV batteries, soared almost 20% yesterday, July 17. The trigger was likely&nbsp;<a href="https://oninvest.com/article/uber-vyvodit-konkurenta-tesla-na-rynok-robotaksi-pocemu-eto-vazno">excitement</a>&nbsp;around an announced deal between Uber and Lucid to compete with Tesla in the robotaxi market. Since late June, QuantumScape stock has tripled on the announcement that the company had made "impressive strides" in advancing its technology, which could make EVs cheaper.&nbsp;

EV battery maker QuantumScape adds another 20% amid Uber-Lucid deal 

Bit Digital, Inc.

NVIDIA Corporation

Shares of Bit Digital, a publicly traded digital asset platform, soared more than 19% yesterday, July 16. Its subsidiary WhiteFiber, which specializes in AI infrastructure, will be spun off and aims to go public on the Nasdaq, <a href="https://bit-digital.com/press-releases/bit-digital-inc-announces-public-filing-for-whitefibers-proposed-initial-public-offering/">the company announced</a>.

Bit Digital AI infrastructure unit WhiteFiber to be spun off, go public; shares jump

Joby Aviation, Inc.

Shares of flying taxi developer Joby Aviation jumped 17% yesterday, July 16, to hit an all-time high. The defense sector's interest in electric vertical takeoff and landing (eVTOL) aircraft has made the company's CEO a billionaire again. Still, some analysts are cautious about Joby's prospects.

Flying taxi maker Joby hits all-time high. Analysts are divided on the outlook.

Shares of online weapons retailer GrabAGun sank almost 24% yesterday, July 16, their first day of trading on the New York Stock Exchange. Among the company's shareholders is Donald Trump Jr. He has been increasingly invested in what’s been called the “parallel economy," companies that position themselves as an alternative to corporate America,&nbsp;<a href="https://www.bloomberg.com/news/articles/2025-07-16/donald-trump-jr-s-grabagun-stake-worth-4-million-even-after-25-drop?srnd=phx-wealth&amp;embedded-checkout=true">notes</a> Bloomberg.&nbsp;

GrabAGun, online gun retailer backed by Trump Jr., sinks in NYSE debut

Candel Therapeutics, Inc.

Freedom Broker has initiated on Candel Therapeutics, which&nbsp;develops immunotherapies for cancer patients, and estimates the stock has upside of more than 100%. The company has low debt and a large cash pile to finance operations, Freedom Broker points out.