Jupiter rules 10th and 1st house is in 2nd house in Aries
As a Jyotish astrologer, I can tell you that if Jupiter is placed in the 2nd house of a person's horoscope in the Aries sign, it can have significant effects on the individual's wealth and speech.
Firstly, Jupiter is a planet of abundance and growth, and when placed in the 2nd house, which relates to wealth, it can indicate financial gain and prosperity for the individual. There are chances of an increase in income sources, material possessions, and accumulation of wealth.
Additionally, Jupiter is the planet of wisdom and knowledge, and it being placed in the 2nd house in Aries - a fiery, enthusiastic and ambitious sign, can indicate a person who is naturally gifted with an expressive, persuasive, and charming way of speaking. Such individuals are capable of influencing others with their words and are highly regarded in social circles.
However, it is important to note that the placement of other planets can influence the effects of Jupiter in the 2nd house. Jupiter being a benevolent planet can have temporary problems due to challenging aspects of other planets in this position.
Overall, Jupiter in the 2nd house in Aries sign represents prosperity, wealth, intelligence, and an ability to articulate one's thoughts well.