CBA

Westpac (ASX:WBC) has received regulatory approval to open a branch in Beijing. The branch opens on June 29 and is located in the World Finance Centre in Beijing's central business district.

Australia's second-largest lender by value also plans to open two more China branches in the medium term. The two branches are in addition to the Shanghai branch which opened in 2008, the first Westpac branch in China.

Commonwealth Bank (ASX:CBA)and Westpac (ASX:WBC) cancelled a number of credit cards due to a potential security breach. Both banks confirm that the cards had been compromised and may leave them vulnerable to fraud.

Shares from National Australia Bank's (ASX:NAB), Westpac (ASX:WBC), ANZ Bank (ASX:ANZ), and Commonwealth Bank (ASX:CBA) plummet as

Stocks Loser of the Week on the S&P ASX 100 (XTO) for the week. These stocks decreased their share price by the largest percentage on the Australian sharemarket, the Australian Securities Exchange (ASX) from the previous week of trading (7th week: 14th February to 18th February 2011). Stock losers this week include: PDN, PRY, BEN,IPL, OZL, CBA, RHC, TEN, IAG, RIV. Other lists of ASX companies by market capitalisation.

Best Performing Australian Stocks of the Week on the ASX100 (XTO) for the week. These stocks increased their share price by the largest percentage on the Australian sharemarket, the Australian Securities Exchange (ASX) from the previous week of trading (6th week: 7th February to 11th February 2011). Other lists of ASX companies by market capitalisation.

Australian Bank, CommBank (ASX:CBA) have seen their first half net profit rise by 5 percent from the previous corresponding period. Commonwealth Bank of Australia's statutory net profit for the six months ended December 31 rose to $3.05 billion, from $2.91bn the previous year. In an announcement to the market, the bank said there was "cautious optimism" about the outlook for the bank for the balance of the 2011 financial year.

Australian banker, Commonwealth Bank (ASX:CBA) has become a major shareholder in aircraft leasing company Air Lease Corp, having made an investment of US$125 million ($126 million). Commonwealth Bank CEO Sir Ralph Norris is a former head of Air New Zealand.

Stocks which sellers sold in strength on the ASX 100. These stocks decreased their share price by the biggest margin on the Australian stockmarket, the Australian Securities Exchange (ASX) from the previous week of trading (47th week of 2010: 22nd November to 26th November). Stocks which sellers sold in strength this week include: ALL, OZL, TEN, CGF, WOR, HVN, GFF, BLY, BSL, WN, CBA, TSE, DJS, NAB, MYR.

Stock Scan of ASX 100 Cold Stocks. These stocks decreased their share price by the biggest percentage on the Australian stockmarket, the Australian Securities Exchange (ASX) from the last week of trading (44th week of 2010: 1st November to 5th November). Public companies found in this stock scan include: LEI, HVN, DJS, JBH, ANZ, NWS, OST, MYR, CSR, BSL, DOW, SKI, PRY, CBA, PPT.

Find out Which Shares Lost the Most in the Top 100 ASX Stocks. These Shares decreased their share price by the biggest percentage on the Australian stockmarket, the Australian Securities Exchange (ASX) from the last week of trading (43rd week of 2010: 25th to 29th October). Other lists of Australian companies by Market capitalisation.