ANY BUSINESS IS GAMBLING ONLY. (That’s why academic education doesn’t encourage students to invest. Infact 99.99% of MBAs are employees, not employers because business schools teach everything about business except how to invest.)
Successful businesses are well calculated gambling.
Failed businesses are miscalculated gambling.
A wise person may treat even gambling at casino like a business and can make consistent profits. There are people who does that.
An inexperienced man can treat legitimate business like a gambling and lose investment.
Legally speaking buying shares are partnering with business.
Whether it is stock trading or stock investments it is upto you how to treat them, gambling or business, a well calculated gambling:
My thread explains how to treat stock trading as a business: