Dollar General and Dollar Tree are surging after their earnings reports. Walmart and Costco have sustained steady growth despite weak consumer spending. Well-run companies tend to sport justifiably ...

Inflation happens when prices rise and purchasing power falls, while deflation occurs when prices drop and purchasing power increases. Both can strain an economy if they move too far in either ...

Retailers' profits from sales are seeing a pinch as inflation dials down, but Costco can bump fees up to balance out its overall financial picture.