stock market, Grand Theft Auto V, virtual investment, in-game trading, LCN Exchange, BAWSAQ, fictional companies, dynamic prices, profit strategy, insider trading, market manipulation, high-risk stocks, low-risk bonds, portfolio diversification, market trends, economic events, player actions, stock tips, fictional economy, smart investments, quick save, market analysis, stock fluctuations, buying low, selling high, financial growth, gaming finance, virtual wealth, economic simulation, stock broker role-play, financial planning, action-adventure game, open-world environment, financial gameplay element.