The Associated PressMONDAY, Nov. 19 WASHINGTON â¿¿ National Association of Home Builders releases housing market index for November, 10 a.m.; National Association of Realtors releases existing home sales for October, 10 a.m. TUESDAY, Nov. 20 WASHINGTON â¿¿ Commerce Department releases housing starts for October, 8:30 a.m. WEDNESDAY, Nov. 21 WASHINGTON â¿¿ Labor Department releases weekly jobless claims, 8:30 a.m.; Freddie Mac, the mortgage company, releases weekly mortgage rates, 10 a.m.; Conference Board releases leading indicators for October, 10 a.m. THURSDAY, Nov. 22 Stock and bond markets closed for Thanksgiving Day. TOKYO â¿¿ Japan releases trade data for October. BRUSSELS â¿¿ European heads of state meet for a summit to discuss the region's financial crisis. Through Friday. FRIDAY, Nov. 23 FRANKFURT, Germany â¿¿ Germany's Ifo institute releases its survey of business optimism, a key leading indicator for Europe's largest economy.