--- title: "$Amazon(AMZN.US)It's quite tough to heavily concentrate on a single stock, especially call options." description: "$Amazon(AMZN.US)It's quite tough to heavily concentrate on a single stock, especially call options." type: "topic" locale: "en" url: "https://longbridge.com/en/topics/38696803.md" published_at: "2026-02-12T15:01:10.000Z" author: "[Lucy ling](https://longbridge.com/en/profiles/15165575)" --- # $Amazon(AMZN.US)It's quite tough to heavily concentrate on a single stock, especially call options. $Amazon(AMZN.US)It's quite tough to heavily concentrate on a single stock, especially call options. ### Related Stocks - [AMZN.US - Amazon](https://longbridge.com/en/quote/AMZN.US.md) - [AMZU.US - Direxion Daily AMZN Bull 2X Shares](https://longbridge.com/en/quote/AMZU.US.md) --- > **Disclaimer**: This article is for reference only and does not constitute any investment advice.