Japan's Nikkei index gained almost four percent while shares in South Korea leapt over 4.5 percent as investor confidence returned to the markets driven on by a strong U.S. market recovery.

日本的日经指数上涨近4个百分点，韩国股市上涨4.5个百分点。美国股市强劲反弹也提振了亚洲投资人对市场的信心。

youdao

However, the ZEW index of German investor and analyst expectations, a widely used measure of investor confidence, rose to 13 in April from -3.5 a month earlier.

然而，4月德国投资者和分析师预测ZEW指数从上月的-3.5涨到13，此指数广泛用于衡量投资者信心。

youdao

In fact, you should never buy or sell stocks based on any single sentiment indicator, whether it is our survey, the State Street Investor Confidence Index or the Investors Intelligence Advisors Survey.

FORBES: How Much Should You Rely On Sentiment Surveys?