Joseph Smith originally explained the use of tithing was to help the needy. Today's Mormon church has wandered far from this mandate. Keep in mind the not-for-profit church does not disclose it's financial holdings to the public, or it's members.
Presently the LDS Church has $32 Billion invested in the stock market. - According to a Mormon Leaks document, the LDS church presently speculates in the stock market to the tune of $32 Billion. Here is a list of the stocks. More here.
Church collects about $6-8 Billion annuallly from it's members. - The LDS church revenue is sourced about half from inside the United States, and the other half from the other countries. Together it is estamated to be $6-8 Billion.
Church spends about .07% on helping poor. - An article published by the church's newspaper states the church averages paying about $40 Million per year to the needy. That equates to about .07% of tithing money collected going towards the poor.
WalMart helps more needy people than the Jesus Christ's LDS Church. - WalMart gives more money to the needy than The Church of Jesus Christ of Latter-day Saints. In 2016 Walmart gave $301 million in charity donations..
The LDS Church extracts about $1,000,000 from each ward, annually. - In return , it provides God's acceptance for those in the community who have paid.