Couple age 48 & 53 (non grads), 3 kids age 15, 18, 22.

Both Small biz owners
average combined annual income $180k
Combined savings $1M (need $300K for kids local U expenses)
SG/US Stocks/unit trusts $450K
CPF $120K
Condo $1.1M fully paid upp
5-yr old MPV car value $90K, loan $40k, intend to pay up
soon

Our stocks are not giving us good dividends.
Intend to invest more on local blue chips and/or a 2nd
property - is it a good time? Or should we hold and
wait....?

Thank you for all experts' advice.