Unless you have a bunch invested, taking risks on really long shots isnt where to start. IMHO but my degree is in finance for what its worth.
Open a brokerage account that has low fees TD Ameritrade isnt bad (they have really good tools for new investors) and then buy Spiders and hold them for a long time. (Years) Spyders and other products like them allow you to by the entire market i one share. Or to buy all of a single sector (for example tech stocks or energy stocks) if you just buy the whole market, given enough time you make money. When you have more money to play witb and a lot more knowlede, then its time to start betting on individual company stocks.
Tastytrade (look it up) is a really fun way to start investing in futures. Be careful, its really addective and you win or lose big in a real hurry. Did i mention trading futures is addictive?
Be well and play it smart when starting out.
If you have any credit card debt, you arent ready to start investing. Pay off your credit cards first. You pay them more in interest than you earn in interest from the stock market.