103365697 : hedging using currency related assets, but you should read up and study first before going into those

MoopyLaBuBu : Ask yourself if the price rises to 600 on the  19th of Next month

102057837 : just invest the normal amount now, the price will average out if you are holding for long term

MoopyLaBuBu : Buy both if in doubt

alwinlim8221 : All track the S&P 500 index, so SPY, VOO, IVV are all the same. I chose VOO because of the lower management fee.

103490059 OP alwinlim8221 : this is firstime i do RSP . buy voo after 12noon. but why my fund not deducted?? . need to wait until market open 9:30night? or will be processed the next day?

103490059 OP MoopyLaBuBu : only one.  but i found out VOO is more popular among investor.