Home Depot's fiscal fourth-quarter net income dipped 1 percent, hampered by bad winter weather and one less week in the period than a year ago. Still, cost cuts helped earnings top Wall Street's view, and the Number 1 home improvement retailer raised its quarterly dividend by 21 percent. Its shares rose more than 2 percent in morning trading. The U.S. housing market has emerged from a deep slump, aided by rising home prices, steady job growth and fewer troubled loans dating back to the housing-bubble days. That has spurred customers to spend more to renovate their homes.