Buy-now-pay-later heavyweight Afterpay Ltd APT.AX, which had a meteoric 88% rise in 2020, shed about 3.6%. By Rashmi Ashok March 9 (Reuters) - Financials helped Australian shares post gains for the second straight session on Tuesday even as technology stocks extended falls after their Wall Street peers were sold off overnight on concerns over steep valuations. Overnight, the tech-heavy Nasdaq index entered correction territory, as rising U.S. 10-year Treasury yields in recent weeks amid higher inflation views dented the attractiveness of equities and raised worries over lofty valuations.