Find out how to check your water pressure at home with or without a gauge, what it means if it's low and how to fix it, according to a bathroom expert.

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.