02:20 PM EDT, 04/08/2024 (MT Newswires) -- Auddia ( AUUD ) said Monday that the US Patent and Trademark Office granted a US patent to the company for the technology it deploys in its app to deliver ad-free AM/FM radio stations to paid subscribers.

Shares skyrocketed more than 197% as intraday trading volume soared to over 147.5 million from a daily average of about 393,000.

U Power ( UCAR ) shares surged amid heavy intraday trading after the company said Monday that its battery-swapping and sharing model is expected to be commercially rolled out in Wuhu, China, this month.

Shares soared 41% as intraday trading volume catapulted to more than 15.6 million versus the stock's daily average of about 315,000.

AltC Acquisition ( ALCC ) shares soared after Oklo, with which the company has a pending merger deal, announced a potential power supply collaboration.

Oklo, a fission technology and nuclear fuel recycling firm, signed a non-binding letter of intent to supply 50 megawatts to Diamondback Energy's (FANG) operations in the Permian Basin.

Shares jumped nearly 28% as intraday trading volume shot to more than 5.5 million from a daily average of about 296,000.

Price: 4.25, Change: +2.82, Percent Change: +197.20