The Untouchable Son-In-Law: The Master Peregrine - Chapter 355 - Leverage

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

- Description from Novelupdates

Scott McCall's life changes the moment he is bitten by a werewolf, but this isn't the same Scott from before. A transmigrator from another world, the new Scott embraces the power and knowledge of his wolf side, determined to control his fate. With a confident, decisive, and fearless personality, Scott aims to protect his loved ones, especially Allison, while becoming stronger than ever. As new supernatural creatures and threats arise, Scott must master his alpha potential and unravel mysteries not found in the original timeline. Armed with knowledge of the future and powers beyond the original Scott, he carves his own destiny, challenging both hunters and creatures alike.Disclaimer – I do not own Teen Wolf.

A failed investor from 2017 got drunk and woke up in the 1980s. China is just opening up, and the economy is blooming. There is also the dissolution of the Soviet Union, the bursting of the Dot-com bubble and other financial crisis. He used his knowledge of the future and slowly build up his empire.