Amplitude is trading 5.94% down at $12.51 in pre-market on September 28, 2026; weaker broader risk sentiment and renewed oil-price pressure may be weighing on shares, though no direct attribution was found. - The White House rejected Iran’s ceasefire proposal, renewing oil-price pressure; supplied market context also showed U.S. futures lower. - The company news page showed no September 28 announcement. Its latest listed release was an August 10 investor-conference notice; second-quarter results were dated August 5.