Bill Gates is still the world's fifth-richest person, according to Bloomberg and Forbes rankings, despite giving away shares worth more than $6 billion this week to his charitable foundation. Gates donated close to $5.2 billion worth of stock in Canadian National Railway Co to the Bill & Melinda Gates Foundation, SEC filings show. The Microsoft co-founder also gave away $995 million worth of shares in Deere & Co. to the foundation on Thursday, filings from Friday show. "I have an obligation to return my resources to society in ways that have the greatest impact for reducing suffering and improving lives," Gates said in the Twitter thread last week. "And I hope others in positions of great wealth and privilege will step up in this moment too." To read the full story by Jyoti Mann, tap the link in our bio. (Credit: Getty)