The planet that has traveled highest degree, ignoring the signs, is considered the Atmakaraka; it represents souls desire in the present incarnation.
The position of Atmakaraka from Ascendant strongly influences the native as follows.
If Sun is AK; then the native should learn to forsake his ego but as Sun is natural king there will be strong desire to take leadership position.
If Moon is the AK; the native should learn to be caring compassionate to people.
If Mars is the AK; then people are great fighters but the native should learn to refrain from war.
If Mercury is AK ; then the native should control his speech and should be truthful.
If Jupiter is the AK; then the native should learn to respect elders and children.
If Venus is the AK; the native should abstain from illegimate sex and should remain clean character.
If Saturn is the AK; the native should refrain from inflicting injury and sorrow to others and should care for others.