An undated photo of a signage at Singapore state investor Temasek Holdings' headquarters in the Southeast Asian city-state.Bryan van der Beek | Bloomberg | Getty ImagesSingapore's Temasek Holdings warned that scammers are allegedly trying to sell financial investment products or instruments to unsuspecting...

By Dr. Jim Dahle, WCI Founder I get occasional emails from people who are worried about investing “unsettled funds.” I think the main problem is that Vanguard (and probably other brokerages) flash up this huge warning when you put in a buy order using...