It seems like you might be referring to a financial product or service, but 日日盈A doesn't provide enough context for me to give a specific answer、Could you provide more details or clarify what you are asking about?

If 日日盈A refers to a specific financial product, investment, or perhaps a type of savings plan, it would be helpful to know the context or the market it's associated with (e.g., China, Hong Kong, etc.) to provide a more accurate response.

Without more information, here are a few general questions to help clarify:

1、Is it a financial product? If so, is it a type of fund, investment product, or savings plan?
2、Geographical context? Is it specific to a certain country or region?
3、Purpose or nature? Are you inquiring about its features, benefits, risks, or how it works?

If you can provide more details or specify what 日日盈A refers to, I'd be more than happy to help with your query.