NEW YORK (MarketWatch) — When Amazon.com reports earnings after the close on Thursday, investors will be looking for just how happy the holidays were for the e-commerce giant.

Amazon AMZN, +0.18% usually doesn’t give out many details about sales by category, but this is what it has said about the top-selling items in a wide range of categories, from books to videos, toys and electronic equipment in the run-up to Christmas.