China Shares Keep Getting Hammered

China shares endured a spat of volatile trade Friday, as Beijing moves swiftly to try to plug losses, after three weeks of declines left markets sharply lower than highs reached in June.

China Regulator to Probe Suspected Stock Manipulation

China's securities regulator said it will launch an investigation into suspected manipulation of shares after recent sharp declines in the stock markets.

Aetna Nears Deal to Buy Humana

Aetna is nearing a deal to buy Humana, according to people familiar with the matter, in a tie-up of health insurers that could be announced this week.

Germany's K+S Rebuffs Potash Takeover

German salt and fertilizer company K+S AG rejected a takeover approach worth $8.75 billion by rival Potash Corp. of Saskatchewan, saying the proposal undervalued the company.