CSL shares tumble 12% after half-year earnings shake confidence

CSL Limited (ASX: CSL) shares dropped more than 12% on Wednesday, falling to a session low of $150.21, as investors reacted to weaker half-year earnings just one day after the surprise CEO exit.The sell-off briefly pushed CSL to multi-year lows before the share price recovered slightly through the session. Even so, it marks another sharp leg down for a company that was once regarded as untouchable among ASX blue chips.What CSL reportedCSL delivered total revenue of US$8.3 billion for the half, down 4% in co ...