 Shares of SP Global Inc. SPGI, -3.09 sank 8.2 in premarket trading Wednesday, after the debt rating and analytics company said it was suspending its full-year financial guidance, citing extraordinarily weak market conditions. The company said macroeconomic conditions deteriorated since it provided 2022 estimates a month ago, when it cut its adjusted earnings-per-share estimate to 13.00 to 13.25 from 13.30 to 13.50. 