ChatGPT rival Bard and looming event from OpenAI backer Microsoft swing Alphabet stock as artificial intelligence race heats up

• Shares of Google parent Alphabet were volatile Monday as the artificial intelligence race heats up. 
• CEO Sundar Pichai announced the launch of AI chatbot "Bard" on the company's blog. 
• Minutes later, Microsoft teased an event Tuesday that's expected to involve ChatGPT parent OpenAI.

Shares of Google parent Alphabet were volatile Monday as the artificial intelligence race heats up amid the rise of ChatGPT.