Crude oil prices were on the climb today, set for a weekly gain on signs of strong demand coming from economic reports in key markets. If the week does end with an overall gain, it would be the first one in three weeks, according to Reuters. "WTI crude oil prices seem to have found a near-term floor/support at around US$78.40/barrel after a 9%+ decline from 26 April in the past week due to several encouraging factors such as two consecutive weeks of decline in U.S. crude oil stockpile and more upcoming 'piecemeal' stimulus measures from China,"…