* Tech stocks eye worst day in nearly a month
* Energy stocks set for best day in nearly six weeks
* Mining stocks hit highest since Jan. 8
* NZ set for fourth straight session of losses
By Arpit Nayak
Feb 23 (Reuters) - Australian shares traded little changed on Tuesday as gains in miners and energy firms on stronger commodity prices countered losses in tech stocks following a weak lead from U.S. peers.
The S&P/ASX 200 index .AXJO was nearly unchanged at 6,779.5 by 0000 GMT, after swinging between positive and negative territory for much of the early part of the session.
Tech stocks .AXIJ were the biggest drags on the benchmark, tracking losses in U.S. peers that have come under pressure from an uptick in bond yields and concerns over higher inflation affecting valuations. .N
"Steadily rising real yields should reflect better growth prospects for equities but if they rise suddenly, pushed higher by flows from rapid repositioning, then we think the impact of a higher discount rate will pull equities lower," analysts at UBS said in a note.
Buy-now-pay-later giant Afterpay APT.AX shed 7.8% to lead losses among local tech companies which were set for their worst session since Jan. 28.
Investors will watch closely for any changes to the U.S. Federal Reserve's dovish outlook from Chairman Jerome Powell when he speaks before the Senate Banking Committee later in the day. stocks .AXEJ gained up to 4.1% and were on track to post their best session since Jan. 13, lifted by a jump in oil prices as investors anticipate a slow recovery in U.S. crude output following a cold snap in the state of Texas. Oil Search OSH.AX climbed 8.6% after posting a surprise underlying profit. O/R Mining NCM.AX and AngloGold Ashanti AGG.AX led gains among gold miners .AXGD , which climbed 5.6%, as worries over rising inflation and a weaker U.S. dollar pushed the metal higher. GOL/
Firmer bullion and copper prices supported a more than 1% rise in heavyweight miners .AXMM , which hit their highest since Jan. 8. Copper prices breached the $9,000 mark for the first time since 2011 on indications of tight supply. MET/L
New Zealand's benchmark S&P/NZX 50 index .NZ50 declined 0.6% to 12,356.68 and was on track for a fourth straight session of falls.