Legendary investor Warren Buffett‘s oil pick – Chevron Corp CVX – is currently navigating choppy waters. Chevron, a titan in the global energy sector, is the fifth-largest holding of the “Oracle of Omaha’s” Berkshire Hathaway Inc BRK BRK portfolio.The oil and gas giant, originally known as Standard Oil Company of California, operates in over 180 countries and has a storied history. However, recent technical signals suggest rough times ahead for Chevron stock. Chart created using Benzinga ProThe recent forma ...