AmerisourceBergen Corp.’s stock ABC rose 0.8% premarket Tuesday, after the pharmaceutical services company’s fiscal second-quarter earnings blew past estimates. The company had net income of $435.4 million, or $2.13 a share, for the quarter to March 31, down from $548.0 million, or $2.59 a share, in the year-earlier period. Adjusted per-share earnings came to $3.50, ahead of the $3.30 FactSet consensus. Revenue rose 10% to $63.457 billion from $57.719 billion, also ahead of the $60.458 billion FactSet consensus. The company raised its fiscal 2023 guidance and now expects revenue to grow 6% to 8%, up from prior expectation…