Rising loan losses, growing expenses eating into banks' bottom lines
DBRS affirms ratings on UBS, Credit Suisse, but outlook is negative
Latest increase ensures banks have a cushion to absorb rising credit losses
Credit ratings, outlooks under pressure as challenges mount for U.S. commercial property sector
New domestic stability buffer takes effect Nov. 1
System-wide review launched in response to recent liquidity crunches in stressed markets
Plus other moves within the industry this week
Risks rising due to higher interest rates, commercial struggles, banking stress
Supervisory action to boost banks' capital, liquidity would aid creditors, depositors
Credit provisions, rising capital, liquidity, expenses blunt banks' results