The agency's purchases apparently helped to lift the broad-market Kospi index to a positive close, its first in a week.

这一买盘显然对韩国综合指数止跌回升功不可没，该指数也一周以来首次实现了上涨。

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But typically, we hold one big position in more of a broad market index.

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With a broad market index you are diversifying company risk, sector risk and sometimes country risk.

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ETF, which tracks the MSCI U.S. Broad Market Index of nearly all U.S. stocks, has a 3.6% stake.

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