Gainers

• Castellum (AMEX:CTM) stock increased by 14.0% to $0.35 during Tuesday's pre-market session. The market value of their outstanding shares is at $16.6 million.
• WiSA Technologies (NASDAQ:WISA) shares moved upwards by 11.12% to $0.94. The company's market cap stands at $6.1 million.
• WISeKey Intl Holding (NASDAQ:WKEY) stock moved upwards by 6.16% to $2.41. The market value of their outstanding shares is at $22.5 million.
• Infobird Co (NASDAQ:IFBD) shares rose 6.11% to $0.27. The market value of their outstanding shares is at $24.7 million.
• Silicon Motion Technology (NASDAQ:SIMO) stock rose 5.96% to $57.0. The market value of their outstanding shares is at $1.9 billion.
• Verb Tech (NASDAQ:VERB) stock increased by 5.73% to $0.81. The market value of their outstanding shares is at $3.6 million.

Losers

This article was generated by Benzinga's automated content engine and reviewed by an editor.