Trucking companies move goods by road, serving manufacturers, retailers and distributors across short and long-haul routes. The industry is highly fragmented with low barriers to entry — a truck and a driver is the minimum viable unit — which creates persistent competitive pressure that limits sustained pricing power in most circumstances. Freight rate cycles are driven by the balance between truck capacity and shipper demand, which can shift quickly. When driver shortages, fuel costs or equipment availability constraints tighten supply, rates can spike; when capacity excess builds, rates fall quickly. Spot market rates are highly volatile; contract rates lag spot but provide more predictable revenue for established carriers. Less-than-truckload carriers with hub-and-spoke networks have better pricing power than truckload carriers because their network is harder to replicate and their service has differentiated value from frequency and coverage. Fuel costs are the single largest variable expense and directly affect profitability when not contractually passed through. For investors, trucking is a cyclical logistics investment where entry at freight market troughs with capacity-disciplined carriers generates the best returns.