Forex trading

Q: Is Forex Trading without margin halaal? I mean, if I invest $500 and I trade from this $500 and don't take any loan, will it be permissible? How can I get physical possession on an online platform?

Fundraising dinners

Q: Many Muslim organisations have fundraising dinners. The people attending these dinners pay a fee e.g. R300 per person. The names of all the attendees are entered into a draw. After enjoying the dinner, the names are drawn, and the winners of the draw are given prizes e.g. umrah ticket, etc. Is this permissible?