* Energy sub-index rallies, after gain in oil prices on Monday
* BHP slips to over 6-month low as dividend disappoints
* Gold stocks extend falls
By Aby Jose Koilparambil
Aug 20 (Reuters) - Australian shares stretched their gains into a second session on Tuesday, tracking an overnight Wall Street rally, as hopes for more stimulus measures from China and Germany eased global worries about an impending recession.
Investors have been jittery since last week's brief inversion of the yield curve between 2-year and 10-year U.S. Treasuries. But risk appetite recovered after China's central bank unveiled a key interest rate reform over the weekend to help steer borrowing costs lower for companies. too has indicated it could make available up to 50 billion euros ($55.43 billion) of extra spending. S&P/ASX 200 index .AXJO rose 0.5% by 0132 GMT, after closing 1% higher on Monday.
The Financials sub-index .AXFJ , an index heavyweight, strengthened 0.3% with top lender Commonwealth Bank of Australia CBA.AX gaining up to 1%.
However, Australia and New Zealand Banking Group ANZ.AX slipped 0.5% after it said its New Zealand arm would be most affected by the Australian regulatory decision to limit banks' exposure to their units. energy sector .AXEJ rallied for a second consecutive session, adding about 1.5%, riding on strong crude prices that gained roughly 2% on Monday after a weekend attack on a Saudi oil facility threatened supplies. O/R
Beach Energy BPT.AX was the top percentage gainer in the sector for a second straight session, rising about 6%.
Shares of Oil Search OSH.AX climbed about a percent after the firm said its half-year profit more than doubled and raised its dividend, boosted by robust output at its key Papua New Guinea liquefied natural gas project. stocks extended falls after interests in the safe-haven metal weakened, sending the sub-index .AXGD down more than 3%.
Major gold miners Newcrest Mining Ltd NCM.AX and Evolution Mining EVN.AX dropped 2.5% and 3.5%, respectively.
The mining and metals sector .AXMM took a further hit with BHP Group BHP.AX down about 1% to a more than six-month low as the mining behemoth's record dividend payout still fell slightly short of some expectations. of online retailer Kogan.com Ltd KGN.AX jumped as much as 11.5% to their highest since May 30 after it reported an about 22% jump in full-year profit. the Tasman Sea, New Zealand's benchmark S&P/NZX 50 index .NZ50 rose 0.4% to 10,743.15.
Dairy firm a2 Milk Co ATM.NZ and Precinct Properties New Zealand Ltd PCT.NZ were the top percentage gainers on the benchmark, rising 2.7% and 2%, respectively. ($1 = 0.9021 euros)