When a company reaches market saturation levels, this hurts their ability to expand in that market. Saturation occurs when a potential market has all of a particular product they need. If a companies goal is to increase sales of that product, they can't, because consumers already have enough of those products. An example of market saturation is the Apple Ipod or Microsoft Windows platform. Both have enormous market shares, but future market share growth and revenue will be slow, because their respective markets are saturated. … "Reached Market Saturation in The United States" has a significant impact, so an analyst should put more weight into it.