BUZZ — Cipher Digital slides on proposed $850 mln convertible notes offering
* Cipher Digital shares slide 12.46% to $11.38 premarket * The AI data center operator announces proposed private offering of convertible senior notes worth $850 mln, due 2032 * Notes carry a 0% coupon, meaning CIFR will pay no regular interest on the debt * Initial purchasers have a 13-day option to buy up to an addit