US shares have sunk more than 2.0 per cent with the Dow dropping to its lowest level for 2015 as worries spread about the strength of the world economy.
Willis is set to become one of the largest insurance brokers in Western Australia after buying CKA Risk Solutions, which was established in Perth 11 years ago.
Wall Street stocks have finished lower following a mixed batch of earnings from retailers, including Wal-Mart Stores, which tumbled 3.4 per cent after slashing its profit forecast.
The Australian dollar is struggling to gain any ground, weighed down by Chinese share market volatility and an imminent Federal Reserve interest rate rise.
Gains by Disney, Apple and some other large equities have helped lift US stocks into positive territory ahead of earnings from Wal-Mart Stores and Federal Reserve meeting minutes.
The Australian dollar is slightly lower, while putting in an improved performance after last week's losses on the back of China's currency devaluations.
The Australian dollar is only slightly lower as traders shrug off last week's Chinese yuan devaluations and await the minutes of the Federal Reserve's July meeting.
Wall Street stocks have finished little changed in choppy trade as retail sales bested expectations, even as leading department stores reported lower profits.
US stocks have finished mostly higher as an afternoon rally led by Apple and energy equities overcame early weakness on fears about an economic slowdown in China.
The Australian sharemarket has closed sharply lower after China's currency devaluation helped pull back resources stocks, and the Commonwealth Bank's capital raising weighed on the other big banks.
Bankwest has announced an 11 per cent rise in cash net profit to $752 million for the year to June 30, while its parent company Commonwealth Bank of Australia unveiled a record $9.15 billion cash profit.
US stocks have fallen sharply after China unexpectedly devalued its currency, as Apple, General Motors and other companies heavily exposed to China dropped.