Group 1 - Cipher Mining Inc. (NASDAQ:CIFR) experienced a significant decline of 17.54% in its stock price, closing at $11.66, following negative investor sentiment regarding its plan to raise $800 million through senior convertible notes [1][3]. - The company announced that the convertible notes will have a six-year tenor, maturing on October 1, 2031, and will be issued to qualified institutional investors [2]. - In addition to the initial offering, Cipher Mining has granted initial note buyers a 13-day option to purchase up to an additional $120 million in aggregate principal amount of notes [3]. Group 2 - The proceeds from the convertible note issuance are intended to finance part of the construction of a data center at Barber Lake, accelerate the development of its high-performance computing (HPC) strategy across a 2.4 GW pipeline, and expand its pipeline of development sites, among other corporate purposes [4]. - Cipher Mining has secured a 168-MW data center lease agreement with Fluidstack from its Barber Lake facility, with the expectation to complete the facility by September 2026 [4][5]. - Fluidstack's rental obligations will commence on the lease start date and will continue for a duration of 10 years [5].