Check out the companies making headlines yesterday:

Coursera (NYSE: COUR): Online learning platform Coursera (NYSE: COUR) rose by 7.5% on Monday after the company announced that its Board of Directors approved a share repurchase program to buy back up to $500 million of its common stock. See our full article here.

Is now the time to buy Coursera? Access our full analysis report here, it's free.

Micron (NASDAQ: MU): Memory chips maker Micron (NASDAQ: MU) fell by 7.2% on Monday after a broad-based sell-off hit the semiconductor sector following news of a potential strike at Samsung and a stake sale by Taiwan Semiconductor Manufacturing (TSMC), which rattled global chip supply chains. See our full article here.

Is now the time to buy Micron? Access our full analysis report here, it's free.

Zscaler (NASDAQ: ZS): Cloud security platform Zscaler (NASDAQ: ZS) rose by 8.5% on Monday after B.Riley analyst Erik Suppiger upgraded the cybersecurity stock from Neutral to Buy. See our full article here.

Is now the time to buy Zscaler? Access our full analysis report here, it's free.

Salesforce (NYSE: CRM): CRM software giant Salesforce (NYSE: CRM) rose by 2.9% on Monday after investor confidence rebounded as markets softened their view on the existential threat AI poses to traditional software companies. See our full article here.

Is now the time to buy Salesforce? Access our full analysis report here, it's free.

Centrus Energy (NYSE: LEU): Nuclear fuel supplier Centrus Energy (NYSE: LEU) fell by 5.4% on Monday after uranium prices slipped, extending a multi-month pullback from January's highs. See our full article here.

Is now the time to buy Centrus Energy? Access our full analysis report here, it's free.