Last week's economic releases included the National Association of Home Builders Housing Market Index for May, Commerce Department reports on housing starts and building permits issued. Weekly readings on mortgage rates and first-time jobless claims were also released. Home Builder Confidence Rises in May According to the National Association of Home Builders, home builders surveyed indicated higher confidence in housing market conditions for May. April's reading was downwardly revised to an index reading of 68; analysts expected a reading of 69.  May's home builder confidence reading was 70. Any reading over 50 indicates that more builders consider housing market conditions…