问题如下:
The Standard & Poor’s Depositary Receipts (SPDRs) is an investment that tracks the S&P 500 stock market index. Purchases and sales of SPDRs during an average trading day are best described as:
选项:
A.primary market transactions in a pooled investment.
B.secondary market transactions in a pooled investment.
C.secondary market transactions in an actively managed investment.
解释:
B is correct.
SPDRs trade in the secondary market and are a pooled investment vehicle.
老师这里怎么确定是pool investment 呢