Reborn in 90, Stock Trading with 100,000 Saved the Whole Family!

Zhang Hao was reborn in the 1990s, In my previous life, my grandma died in the ICU because she didn't have enough medical expenses. This was the beginning of everything. My father had to work five jobs because he had to pay back 100,000 yuan, so he died of overwork. His mother finally helped Zhang Hao grow up, but was diagnosed with cancer and passed away. If grandma hadn't died, wouldn't everything have happened? In this life, he will change his destiny against the will of heaven! A 7-year-old naughty kid entered the stock market with 100,000 yuan, and used a full position and ten times the leverage to become a legend!