Lowe’s Cos.’ quarterly net income rose more than 6 percent to $306 million as the home-improvement retailer continued to benefit from the housing market’s recovery. Revenue rose 5.6 percent to $11.66 billion. For the full year, Lowe’s earned $2.29 billion, up from $1.96 billion. Annual revenue rose 6 percent to $53.42 billion. Lowe’s also announced a new $5 billion buyback. A remaining $1.3 billion balance under a prior program will continue to be used, for a total authorization of $6.3 billion.