fund net loss of high-position most serious of which, passive management of index funds to bear the brunt.
基金凈亏损高的位置最严重的是,指数基金的被动管理首当其沖。
by using active and passive management for oracle and optimize tools like sql trace explain plan and oracle optimizer, the query response time is shortened and the efficiency is improved.
because shanghai 50etf fits the shanghai 50 index for the goal in full passive management style, the net value of its goes up and down with shanghai 50 index fluctuating.