
Bid-Ask Spread Explained: What Trading Really Costs
The bid-ask spread is an implicit trading cost that changes with liquidity, volatility and order size. Here is how investors can manage it.

The bid-ask spread is an implicit trading cost that changes with liquidity, volatility and order size. Here is how investors can manage it.

CVS agreed to a $315 million federal settlement over opioid prescriptions and billing claims, alongside new DEA compliance safeguards.

The FTC and seven states seek a contempt order against Martin Shkreli over alleged pharmaceutical stock trades that violated a lifetime industry ban.

Asset turnover compares sales with average assets, helping investors assess operating efficiency, sector differences and balance-sheet changes.

Interest coverage compares earnings with interest expense, helping investors assess debt capacity, trends and calculation differences.

Return on equity compares profit with shareholder capital. Learn how investors calculate ROE and distinguish operating strength from leverage effects.

Book value per share compares common equity with outstanding shares. Learn how investors calculate BVPS and where the accounting metric can mislead.

Capital expenditure shows how businesses fund long-lived assets. Learn where capex appears and how investors assess maintenance and growth spending.

Preferred stock combines equity ownership with dividend and liquidation priority. Here is how its terms, risks and returns differ from common shares.

Inventory turnover compares cost of sales with average inventory, helping investors evaluate demand, stock management and working-capital efficiency.