After selling BET, wait for Bilkington (BIL) on LCN to drop to its low point, buy it, and wait roughly a week for a rebound of 80–100% . The Multi-Target Assassination

To achieve maximum returns, follow this investment sequence for each of Lester's missions: (Mandatory Early Mission)

Wait for it to rebound roughly 100% (about 48 in-game hours) before selling. The Construction Assassination Invest Before: Put all money into GoldCoast (GCD) on LCN. Profit: Sell when it peaks at roughly 80% . Pro Tips for Market Mastery

Immediately reinvest the profits into Redwood (RWC) on LCN while it's crashed. Wait 48–96 in-game hours for a massive 300% rebound profit. The Vice Assassination

GTA 5 Assassination Missions - Stock Market Guide for ... - G2A