These Chinese apps have surged in popularity in the U.S. A TikTok ban could ensnare them

Published

11 months ago

January 15, 2025

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Lemon8, a photo-sharing app by Bytedance, and RedNote, a Shanghai-based content-sharing platform, have seen a surge in popularity in the U.S. as “TikTok refugees” migrate to alternative platforms ahead of a potential ban.

Now a law that could see TikTok shut down in the U.S. threatens to ensnare these Chinese social media apps, and others gaining traction as TikTok-alternatives, legal experts say.

As of Wednesday, RedNote — known as Xiaohongshu in China — was the top free app on the U.S. iOS store, with Lemon8 taking the second spot.

The U.S. Supreme Court is set to rule on the constitutionality of the Protecting Americans from Foreign Adversary Controlled Applications Act, or PAFACA, that would lead to the TikTok app being banned in the U.S. if its Beijing-based owner, ByteDance, doesn’t divest it by Jan. 19.

While the legislation explicitly names TikTok and ByteDance, experts say its scope is broad and could open the door for Washington to target additional Chinese apps.

“Chinese social media apps, including Lemon8 and RedNote, could also end up being banned under this law,” Tobin Marcus, head of U.S. policy and politics at New York-based research firm Wolfe Research, told CNBC.

If the TikTok ban is upheld, it will be unlikely that the law will allow potential replacements to originate from China without some form of divestiture, experts told CNBC.

PAFACA automatically applies to Lemon8 as it’s a subsidiary of ByteDance, while RedNote could fall under the law if its monthly average user base in the U.S. continues to grow, said Marcus.

The legislation prohibits distributing, maintaining, or providing internet hosting services to any “foreign adversary controlled application.”

These applications include those connected to ByteDance or TikTok or a social media company that is controlled by a “foreign adversary” and has been determined to present a significant threat to national security.

The wording of the legislation is “quite expansive” and would give incoming president Donald Trump room to decide which entities constitute a significant threat to national security, said Carl Tobias, Williams Chair in Law at the University of Richmond.

Xiaomeng Lu, Director of Geo‑technology at political risk consultancy Eurasia Group, told CNBC that the law will likely prevail, even if its implementation and enforcement are delayed. Regardless, she expects Chinese apps in the U.S. will continue to be the subject of increased regulatory action moving forward.

“The TikTok case has set a new precedent for Chinese apps to get targeted and potentially shut down,” Lu said.

She added that other Chinese apps that could be impacted by increased scrutiny this year include popular Chinese e-commerce platform Temu and Shein. U.S. officials have accused the apps of posing data risks, allegations similar to those levied against TikTok.

The fate of TikTok rests with Supreme Court after the platform and its parent company filed a suit against the U.S. government, saying that invoking PAFACA violated constitutional protections of free speech.

TikTok’s argument is that the law is unconstitutional as applied to them specifically, not that it is unconstitutional per se, said Cornell Law Professor Gautam Hans. “So, regardless of whether TikTok wins or loses, the law could still potentially be applied to other companies,” he said.

The law’s defined purview is broad enough that it could be applied to a variety of Chinese apps deemed to be a national security threat, beyond traditional social media apps in the mold of TikTok, Hans said.

Trump, meanwhile, has urged the U.S. Supreme Court to hold off on implementing PAFACA so he can pursue a “political resolution” after taking office. Democratic lawmakers have also urged Congress and President Joe Biden to extend the Jan. 19 deadline.

Technology

How black boxes became key to solving airplane crashes

Published

21 hours ago

November 30, 2025

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How black boxes became key to solving airplane crashes

After the search for survivors and recovery of victims in tragic aviation accidents — like that of a UPS cargo plane shortly after takeoff from Louisville Muhammad Ali International Airport in Kentucky last month — comes the search for flight data and a cockpit voice recorder often called the “black box.”

Every commercial plane has them. Aerospace giants GE Aerospace and Honeywell are among a few companies that design them to be nearly indestructible so they can help investigators understand the cause of a crash.

“They’re very crucial because it’s one of the few sources of information that tells us what happened leading up to the accident,” said Chris Babcock, branch chief of the vehicle recorder division at the National Transportation Safety Board. “We can get a lot of information from parts and from the airplane.”

Commercial aircraft have become very complex. A Boeing 787 Dreamliner records thousands of different pieces of information. In the case of the Air India crash in June, data revealed both engine fuel switches were put into a cutoff position within one second of each other. A voice recording from inside the cockpit captured the pilots discussing the cutoffs.

“All of those parameters today can have a very huge impact on the investigation,” said former NTSB member John Goglia. “It’s our goal to to provide information back to our investigators who are on scene as quick as we can to help move the investigation forward.”

This crucial data can also help prevent future accidents. A crash can cost airlines or plane manufacturers hundreds of millions of dollars and leave victims’ families with a lifetime of grief.

But in some circumstances black boxes were destroyed or never found. Experts say further developments such as cockpit video recorders and real-time data streaming are needed.

“The technology is there. Crash worthy cockpit video recorders are already being installed in a lot of helicopters and other types of airplanes, but they’re not required,” said Jeff Guzzetti, aviation analyst and former accident investigator for the Federal Aviation Administration and NTSB. “There’s privacy and cost issues involving cockpit video recorders but the NTSB has been recommending that the FAA require them for years now.”

Watch the video to learn more.

— CNBC’s Leslie Josephs contributed to this report.

Technology

Stocks end November with mixed results despite a strong Thanksgiving week rally

Published

3 days ago

November 28, 2025

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Stocks end November with mixed results despite a strong Thanksgiving week rally

Technology

Palantir has worst month in two years as AI stocks sell off

Published

3 days ago

November 28, 2025

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Palantir has worst month in two years as AI stocks sell off

CEO of Palantir Technologies Alex Karp attends the Pennsylvania Energy and Innovation Summit, at Carnegie Mellon University in Pittsburgh, Pennsylvania, U.S., July 15, 2025.

Nathan Howard | Reuters

It’s been a tough November for Palantir.

Shares of the software analytics provider dropped 16% for their worst month since August 2023 as investors dumped AI stocks due to valuation fears. Meanwhile, famed investor Michael Burry doubled down on the artificial intelligence trade and bet against the company.

Palantir started November off on a high note.

The Denver-based company topped Wall Street’s third-quarter earnings and revenue expectations. Palantir also posted its second-straight $1 billion revenue quarter, but high valuation concerns contributed to a post-print selloff.

In a note to clients, Jefferies analysts called Palantir’s valuation “extreme” and argued investors would find better risk-reward in AI names such as Microsoft and Snowflake. Analysts at RBC Capital Markets raised concerns about the company’s “increasingly concentrated growth profile,” while Deutsche Bank called the valuation “very difficult to wrap our heads around.”

Adding fuel to the post-earnings selloff was the revelation that Burry is betting against Palantir and AI chipmaker Nvidia. Burry, who is widely known for predicting the housing crisis that occurred in 2008 and the portrayal of him in the film “The Big Short,” later accused hyperscalers of artificially boosting earnings.

Palantir CEO Alex Karp vocally hit the front lines, appearing twice in one week on CNBC, where he accused Burry of “market manipulation” and called the investor’s actions “egregious.”

“The idea that chips and ontology is what you want to short is bats— crazy,” Karp told CNBC’s “Squawk Box.”

Despite the vicious selloff, Palantir has notched some deal wins this month. That included a multiyear contract with consulting firm PwC to speed up AI adoption in the U.K. and a deal with aircraft engine maintenance company FTAI.

But those announcements did little to shake off valuation worries that have haunted all AI-tied companies in November.

Across the board, investors have viciously ditched the high-priced group, citing fears of stretched valuations and a bubble.

In November, Nvidia pulled back more than 12%, while Microsoft and Amazon dropped about 5% each. Quantum computing names such as Rigetti Computing and D-Wave Quantum have shed more than a third of their value.

Apple and Alphabet were the only Magnificent 7 stocks to end the month with gains.

Sill, questions linger over Palantir’s valuation, and those worries aren’t a new concern.

Even after its steep price drop, the company’s stock trades at 233 times forward earnings. By comparison, Nvidia and Alphabet traded at about 38 times and 30 times, respectively, at Friday’s close.

Karp, who has long defended the company, didn’t miss an opportunity to clap back at his critics, arguing in a letter to shareholders that the company is making it feasible for everyday investors to attain rates of return once “limited to the most successful venture capitalists in Palo Alto.”

“Please turn on the conventional television and see how unhappy those that didn’t invest in us are,” Karp said during an earnings call. “Enjoy, get some popcorn. They’re crying. We are every day making this company better, and we’re doing it for this nation, for allied countries.”

Palantir declined to comment for this story.

WATCH: Palantir CEO Alex Karp: We’ve printed venture results for the average American