Tech Five: A new bidder for Yahoo emerges

There is a new bidder for the Internet assets of troubled media company Yahoo. Meanwhile, Facebook gets ready for its annual developers conference.

Let's look at tech stocks to watch Monday:

Yahoo. The British publisher of The Daily Mail confirmed it's interesting in making a bid for Yahoo's core assets. The company did not offer financial terms of a bid. Yahoo extended its deadline to accept bids to April 18.

Facebook. The social network kicks off its f8 developers conference on Tuesday. Facebook is expected to reveal details on its use of chatbots, artificial intelligence that accepts requests from users through voice commands.

Overstock.com. Founder and CEO Patrick Byrne is taking indefinite medical leave after being diagnosed with Stage IV Hepatitis C. General counsel and senior vice president Mitch Edwards has been recommended to take over as Acting CEO.

Sony. Roughly 77% of the revenue generated by virtual reality headsets will go to the maker of PlayStation VR, as well as HTC and Oculus, says research firm Strategy Analytics. The firm forecasts $895 million in VR revenue in 2016.

Alphabet. Google Fiber is ending its offer of free broadband Internet in Kansas City, the first to receive the service, reports Re/code. New plans for Internet access start at $50 a month.

Follow Brett Molina on Twitter: @brettmolina23.