US futures are lower this morning as investors weighed economic data. The NFIB small business optimism index fell to 103.6 in June after coming in at 104.5 in May. Other data that will be released today include the JOLTS jobs data and wholesale trade data. Oil prices are trading slightly lower this morning as oversupply fears continue to linger. Asian markets closed mostly higher led by the Hang Seng and the Nikkei as the yen traded lower. Markets in Europe are trading lower led by the FTSE on the back of lower oil prices.