10. Mukesh Ambani- Net Worth:$27.0 Billion.

9. Eike Batista- Net Worth: $30.0 Billion.

8. Amancio Ortega- Net Worth: $31.0 Billion.

7. Lakhsmi Mittal- Net Worth: $31.1 Billion.

6. Lawrence Ellison- Net Worth: $39.5 Billion.

5. Bernard Arnault- Net Worth: $41.0 Billion.

4. Warren Buffett- Net Worth: $50.0 Billion.

3. Bill Gates- Net Worth: $56.0 Billion.

2. Carlos Slim Helu- Net Worth: $74.0 Billion.

And finally , Number 1:

1. The ONE who prays two Sunnah Rak’ah, before Fajar:
The Prophet (peace and blessings of Allah be upon him) said: “The two rak’ahs (Sunnah) of Fajr are better than this world and everything in it.”

Narrated by Muslim, 725
“The Prophet (peace and blessings of Allah be upon him) did not adhere more firmly to any naafil prayer than the two rak’ahs of Fajr.” Narrated by al-Bukhaari, 1163; Muslim, 724