As per Vedic astrology, retrograde Mercury in the 2nd house in Aquarius sign can have a significant impact on the native's communication and financial matters. 

Retrograde Mercury indicates that the person has a natural inclination towards introspection and inner analysis. They may feel challenged in expressing themselves fully, especially in social situations. However, they possess a unique perspective and sharp intellect that allows them to understand complex concepts deeply.

With Mercury in the 2nd house, the native may have a keen interest in business and commerce. They have an analytical mindset that helps them make sound financial decisions. On the downside, they may also have a tendency to be overly critical and skeptical in money matters. 

Aquarius sign in the 2nd house confers the native with a humanitarian outlook towards finances. They may be inclined towards progressive, innovative ideas that challenge traditional financial models. The native may also be inclined towards unconventional investments and sources of income.

In conclusion, retrograde Mercury in the 2nd house in Aquarius sign signifies a unique set of skills and talents that can be harnessed towards financial success. The native may benefit from practicing effective communication skills and being open-minded towards new ideas and perspectives.

retrograde Mercury rules 6th and 9th house is in 2nd house in Aquarius