Klaviyo News & Breaking Stories

Cisco Systems acquires cybersecurity software company Splunk for $28 billion, causing Cisco's shares to fall and Splunk's shares to rise.

Instacart's stock opened at $42 a share, 40% higher than anticipated, with a market valuation of roughly $13.9 billion.

British chipmaker Arm debuted on the public markets, with shares jumping 10% and climbing over 20% in the first 30 minutes of trading.