As per your chart, you might lack some soft skills for succeeding in a business venture such as, the ability to effectively communicate and convince others with your view.
You have the ability to take risk which is a pre-requisite in any business and what you need to develop is your convincing abilities, after which you can be quite successful in business. The sectors which are suitable to you are business related to feminine industry, technology products, products related to aviation industry etc.
Speculative trading is suitable to you to a moderate level and not to a good extent and if done in moderation would be profitable to you.
Dhanu lagna with lagna lord retrograde Jupiter in the fifth house conjunct Moon; Third house lord Saturn in the twelfth house;
Tenth lord Mercury exalted in the tenth house conjunct Lord sixth house and eleventh house Venus and Ketu; Tenth lord of Dashamsha Saturn posited in the tenth conjunct Mars and mercury exalted in the fifth house of Dashamsha.