Amazon stock climbs ahead of earnings as rally faces sustainability test

Amazon's stock has risen sharply in recent sessions, gaining about 20% as investor sentiment improves ahead of an upcoming earnings report.

Investors are weighing whether the rally can be sustained after the earnings, with attention on how results might influence the stock's trajectory and mood around the name.

The focus remains on the earnings release and what the company reports about its performance and outlook, which could affect near-term moves in the stock.