Halo Vista, 2,300-acre development near TSMC in Phoenix, breaks ground March 27, 2026, 4:00 a.m. MT Richard Mack, CEO of Mack Real Estate Group, speaks during a groundbreaking ceremony for Halo Vista in Phoenix, Ariz. on March 26, 2026. Patrick Breen/The Republic Richard Mack, CEO of Mack Real Estate Group, speaks during a groundbreaking ceremony for Halo Vista in Phoenix, Ariz. on March 26, 2026.